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Committee on the Learning Health Care System in America; Institute of Medicine; Smith M, Saunders R, Stuckhardt L, et al., editors. Best Care at Lower Cost: The Path to Continuously Learning Health Care in America. Washington (DC): National Academies Press (US); 2013 May 10.

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Best Care at Lower Cost: The Path to Continuously Learning Health Care in America.

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8Achieving and Rewarding High-Value Care

After starting to feel chest pains, a 52-year-old female nurse went to her primary care physician to be evaluated. Even though her initial physical exam and diagnostic tests indicated there was little probability she had a serious cardiac disease, she received a cardiac computed tomography (CT) scan and coronary angiography for reassurance. During the cardiac catheterization for angiography, her left main coronary artery was torn after the second contrast injection, which required immediate coronary bypass surgery. Following a long hospital stay, the patient's heart was not pumping normally, and she was discharged home to undergo intensive cardiac rehabilitation. After a difficult clinical experience over 6 months, her condition deteriorated, and she underwent coronary angioplasty and therapies to prevent blood clots. Eight weeks later, she was having severe heart problems related to her previous surgeries and required an emergency heart transplant. This case highlights the fact that all tests and interventions have the potential to lead to harm, and illustrates the need for measurement, transparency, and alignment of incentives focused on value (Becker et al., 2011; Redberg, 2011).

Health care payment policies strongly influence how care is delivered, whether new scientific insights and knowledge about best care are diffused broadly, and whether improvement initiatives succeed. As with most aspects of the health care enterprise, a variety of financial incentives and payment models currently are in use. However, most of these models tend to pay clinicians and health care organizations without a specific focus on patient health and value, which has contributed to waste and inefficiency.

Opportunities exist to eliminate wasteful spending while maintaining or enhancing health care quality and improving overall health outcomes. Several health care organizations and health insurers have been leveraging these opportunities to test new models of paying for care and organizing care delivery. Many individual initiatives have demonstrated success, but systematic reviews and studies continue to find conflicting evidence as to which payment models might work best and under what circumstances. While there will likely continue to be a diversity of payment systems, then, the opportunity exists for additional learning on the relative effectiveness of different payment systems with respect to learning. It is clear, however, that high-value care—the best care for the patient, with the optimal result for the circumstances, delivered at the right price—requires that incentives be structured to reward the best outcomes for the patient.

This chapter begins by describing the obstacles that constrain the delivery of high-value care. Next it addresses in turn the measurement of results and value and strategies for achieving transparency. Methods for transitioning to a system that rewards continuous improvement are then discussed. The final section presents recommendations for realizing the vision of a health care system that achieves and rewards high-value care.

OBSTACLES TO HIGH-VALUE CARE

Expenditures on health care are imposing an increasing burden on the budgets of the federal government, state governments, and families without producing commensurate improvements in health or the quality of care. Rather, much of the money spent on health care is wasted, in some cases causing harm. As detailed in Chapter 3, the total amount of waste falls into six broad categories, illustrated in Figure 8-1. Many factors are responsible for this lack of value, from misaligned incentives to a lack of transparency on cost and quality. Overcoming these obstacles will require a determined effort to understand the results achieved from health care; improvements in the structure of and incentives for care; engagement strategies, such as shared decision making, that focus care on patient needs and goals (see Chapter 7); and changes in health care culture needed to support these initiatives (the subject of Chapter 9).

FIGURE 8-1. Sources of waste and excess costs in health care.

FIGURE 8-1

Sources of waste and excess costs in health care. SOURCE: Data derived from IOM, 2010b.

Financial incentives play an important role in the way the health care system learns (see Chapter 6 for a discussion of the factors affecting the spread of knowledge in health care). They create the economic reality for providers and strongly influence how care is delivered (Flodgren et al., 2011; Halvorson, 2009; Hillman, 1991; IOM, 2001). For example, clinicians who are paid for each service tend to recommend more visits and services than clinicians who are paid under other methods (Gosden et al., 2000; Helmchen and Lo Sasso, 2010; Hickson et al., 1987). In one study, when primary care physicians began to be paid for each procedure and encounter, the number of procedures increased, and the number of encounters increased from 11 to 61 percent depending on the specialty (Helmchen and Lo Sasso, 2010).

As with many other aspects of the health care enterprise, a variety of financial incentives and payment models are currently in use. Some are modeled on a fee-for-service structure and some on a capitated or global payment system; other models exist as well. The most common models for both public and private plans tend to pay clinicians based on the volume of individual procedures and tests. Higher-quality care rarely is rewarded by payment and contracting policies, so there is little relationship between the cost or price of care and the quality and outcomes of the care provided (Fisher et al., 2003; Office of Attorney General of Massachusetts, 2011; Yasaitis et al., 2009). One study found, on average, only a 4.3 percent correlation (as measured by a coefficient of determination) between the quality of care delivered and the price of the medical service; indeed, higher prices often were associated with lower quality (Office of Attorney General of Massachusetts, 2011).

Several common payment systems can promote greater use of care. When each service generates additional revenue, there is a strong economic incentive for clinicians and health care organizations to provide more interventions and diagnostic procedures, treat with greater intensity, and care for more patients. At the same time, focusing payment on services discourages providers from undertaking other important activities that could improve a patient's health, such as spending more time talking with the patient, counseling about prevention, communicating by e-mail or telephone, coordinating care across providers, and spending time with family members.

Financial incentives can either aid or inhibit the success of organizational initiatives to improve quality and value (Mandel, 2010; Robinson et al., 2009). Many current payment models can serve as a disincentive for provider organizations seeking to implement high-quality care protocols, given that they may see lower revenues as a result of performing fewer services. This trade-off is exemplified by the experience of one nonprofit health care organization that implemented a program to improve care for back pain. Under its improvement program, the organization changed the care it delivered at its spine clinic to begin with physical therapy, reserving magnetic resonance imaging (MRI) and intensive evaluation for patients with complex cases. The protocol accorded with several evidence-based guidelines; imaging for lower back pain often is overused as an early diagnostic tool when it is unlikely to improve outcomes (Good Stewardship Working Group, 2011). After implementing the protocol, the organization found that patient waiting times were reduced, outcomes improved, and overall costs were low. Under the current payment system, however, the institution was paid for high-cost imaging studies, which it was conducting less frequently, but it was not paid for inexpensive follow-up care such as telephone consultations, which it was conducting more often. As a result, the organization began to lose money. To sustain the improvement initiative, it had to negotiate with local insurers and employers to establish a new payment system for back pain (Blackmore et al., 2011; Fuhrmans, 2007). Box 8-1 provides another example of the disjunction between evidence-based practice and current payment models.

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BOX 8-1

Waste in Health Care: The Underuse and Overuse of Screening Colonoscopy. The case of colonoscopy screening illustrates the disjunction between evidence and current payment models. Summarizing the current evidence on colorectal cancer screening, the U.S. (more...)

Finally, most current incentive structures fail to distinguish among those treatments that are highly effective for patients with a particular condition, such as aspirin for heart attack patients or antibiotics for treating bacterial infections; those that are effective for some patients but are administered to patients for whom they are ineffective; and those of questionable effectiveness for most patients. Whereas treatments that are generally effective and applied appropriately account for a small fraction of the health care system's total cost growth, the latter two categories of treatments incur substantial costs (Baicker and Chandra, 2011; Chandra and Skinner, 2011).

Conclusion 8-1: The prevailing approach to paying for health care, based predominantly on individual services and products, encourages wasteful and ineffective care.

Related findings:

  • Clinicians who are paid for each service tend to recommend more visits and services than those who are paid under other payment methods. In one study, the initiation of encounter- and procedure-based payment for primary care led to an increased number of encounters and procedures, with visits increasing from 11 to 61 percent depending on the specialty.
  • The current payment model does not reward quality. One study found, on average, only a 4.3 percent correlation between the quality of care delivered and the price of the medical service; indeed, higher prices often were associated with lower quality.

MEASUREMENT OF RESULTS AND VALUE

One important tool for improving the value of health care is having a reliable method for defining the value of different interventions, innovations, and care practices. In simple terms, value is the level of benefit achieved for a given cost. However, this concept is complicated by the fact that the perceived benefits of a particular intervention, diagnostic technology, or process will vary for each stakeholder in the health care system (Hussey et al., 2009; IOM, 2010b). Given the system's clear imperative to focus on the patient (see Chapter 7), value measurement for a particular intervention needs to consider improvements in patient health (length of life, health status), patient quality of life, the patient's sense of well-being, quality of care (technical and with respect to compassion), and population health (overall and among different groups). In considering the cost component, a comprehensive measure of value would include all financial resources devoted to the particular treatment for the patient's medical condition, as well as potential adverse outcomes. The definition of cost is further complicated by the fact that different stakeholders have different perspectives on costs—patients may consider out-of-pocket costs, hospitals may look at production costs, and payers may review the medical loss ratio—and each perspective raises additional methodological issues (Fishman and Hornbrook, 2009; Hussey et al., 2009; IOM, 2010b).

One major difficulty in measuring value is finding metrics that can accurately quantify performance with available data. These performance measurement challenges range from providing adequate statistical accuracy to adjusting the measures to account for differences in patient populations (see Table 8-1). Another issue is ensuring the availability of adequate high-quality data with which to calculate the performance metric. Current measures often rely on administrative and claims data; unfortunately, administrative data sources frequently lack information identifying the patient's underlying clinical condition and indicating whether patient care was delivered according to best practices (Devoe et al., 2011; Tang et al., 2007). The increasing use of interoperable electronic health records, which contain detailed information on care processes, may address these shortcomings and yield further improvements in clinical performance measurement.

TABLE 8-1. Challenges Faced in Developing Metrics for Assessing Value.

TABLE 8-1

Challenges Faced in Developing Metrics for Assessing Value.

Another challenge to performance measurement is the fact that individual clinicians often see few patients for any given performance measure, which can cause two similar clinicians to have very different performance scores. The statistical accuracy of these measurements can be further reduced if they are calculated from claims data, because each health plan collects and maintains its claims data separately (Landon and Normand, 2008; Landon et al., 2003; Scholle et al., 2008, 2009). One strategy for improving the reliability of performance metrics is to combine data from multiple health plans, which has shown success in pilot experiments conducted in Colorado, Florida, and Wisconsin (Higgins et al., 2011b; Toussaint et al., 2011). Further efforts to ensure accuracy are necessary to build buy-in from providers and organizations for the goals of these measures.

Another outstanding issue is the need to ensure that performance metrics are linked to patient health outcomes. In some cases, process measures have been found to correlate poorly with clinical outcomes, such as in the case of heart failure (Fonarow et al., 2007). Moreover, there is concern that if performance metrics were applied, providers would focus on the specific processes that were defined as high-quality to the exclusion of other important, but difficult to measure, aspects of care (IOM, 2007; Werner and Asch, 2007). Effective metrics that drive improvement are defined by four characteristics: solid evidence that the measured process leads to improved health outcomes, certainty that the metric records whether the desired care has been delivered, close linkage between the process and the desired health outcome, and limited adverse consequences (Chassin et al., 2010). Metrics also must be updated frequently to accord with changes in knowledge over time; the goal is to ensure that metrics reward clinical care that agrees with the currently available evidence. Standards-setting organizations, such as the National Quality Forum (NQF), and measurement organizations, such as the National Committee for Quality Assurance (NCQA), are currently working to improve the accuracy, utility, and application of performance metrics.

Instead of focusing on processes, some metrics are drawn directly from patient health outcomes. A motivation for this strategy is the fact that what matters to patients is the outcome of their care—the effect of their care on the length of their life, their quality of life, and their overall functioning and well-being. One of the difficulties of this model is accurately measuring outcomes that are relevant for patients rather than limiting assessments to what can be easily measured and ensuring that care decisions flow from patient needs, goals, and circumstances (see Chapter 7 for a discussion of patients' perceptions and needs in maintaining their health and shared decision-making frameworks). For instance, while mortality can be quantified simply, it provides only a limited picture of the total value a patient receives from a given intervention.

After identifying the metrics that best quantify health outcomes, the next challenge is attributing the effect of a given treatment or the actions of a given provider to these metrics. Some treatments, such as surgical procedures, often allow for closer linkages between a procedure and its outcomes, while others, notably chronic care management, have longer time lags between the provision of care and its ultimate outcomes. For chronic care, the patient's health depends on years, or even decades, of medical treatments, with many providers being involved in the care process. In addition, worse health outcomes often are associated with factors outside the traditional health care system, such as diet and smoking (McGinnis and Foege, 1993). Assessing the value of care based on outcomes for patients with chronic conditions will therefore require a hybrid strategy that involves evaluating both care processes and health outcomes so value metrics can accurately assess the care provided.

STRATEGIES FOR ACHIEVING TRANSPARENCY

Measurement itself is only part of the improvement process. Transparency on results supplies data that clinicians can use for improvement initiatives, provides information that patients and consumers can use to select care and providers, and draws attention to high-value health care providers and organizations (IOM, 2006, 2010a). Some of the earliest such efforts include New York State's initiative to report the mortality and complications associated with coronary artery bypass graft surgery and the Health Care Financing Administration's (HCFA's) reporting of hospital mortality (Berwick and Wald, 1990; Hannan et al., 1994). Since these initial efforts, multiple reporting systems have been introduced, from the Healthcare Effectiveness Data and Information Set (HEDIS) for health plans to the Centers for Medicare & Medicaid Services' (CMS') initiatives on comparing the quality of hospitals and health care providers (Friedberg and Damberg, 2012; NCQA, 2011; O'Neil et al., 2010).

Public reporting has been correlated with improved performance on those measures reported and has encouraged organizations to undertake improvement activities (Hafner et al., 2011; Hibbard et al., 2003, 2005a). For instance, the Joint Commission found that compliance with best practices, such as the administration and discontinuation of prophylactic antibiotics for selected surgical patients, increased dramatically after the metric was publicly reported (Chassin et al., 2010); the rates of compliance with the Joint Commission's pneumonia care composite metric rose from 72 percent to 95 percent in 8 years (Joint Commission, 2011). Similarly, after CMS released measurements of the quality of heart attack care, improvements such as lower mortality, reduced lengths of stay, and reduced readmissions soon followed (Werner and Bradlow, 2006, 2010). Based on these and related successes, many health care opinion leaders believe increased transparency is an important factor in improving the overall performance of the health care system (Stremikis et al., 2010).

One channel through which transparency can improve health care quality and value is by affecting the selection of providers and health care organizations. In every community, hospitals and physician practices are delivering both high- and low-value care. Patients, however, are not equipped with the tools needed to identify organizations that provide high-quality, high-value care. The public often has more information when making decisions about purchasing consumer goods, such as refrigerators or televisions, than when making decisions about health care.

An aim of public reporting and improved transparency is to remedy this lack of information. By drawing attention to high-value providers and organizations, public reporting can affect the number of patients who choose to visit a given clinician or health care organization, thereby providing a business case for improving value (IOM, 2006, 2010a; Werner et al., 2010). One tool for drawing additional attention to high-value providers and organizations is the use of tiered benefit plans, which have lower patient cost sharing for those providers deemed to be of higher quality (an example is described in Box 8-2). By coupling reporting with financial incentives, these types of plans may drive greater patient volume to providers and organizations that offer higher-value care. Such benefit structures highlight the need for accurate measurement of care value.

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BOX 8-2

Making Information on Quality Accessible to Consumers. Although accessible information exists to support consumer purchasing for most goods and services, few comprehensive resources are available for comparing the quality of health care providers and (more...)

Today, however, few consumers use publicly reported information to make decisions about clinicians or health care organizations; a 2008 survey found that only 14 percent of respondents had seen and used comparative quality information about health plans, clinicians, or health care organizations in the past year (Kaiser Family Foundation, 2008). Many Americans choose health care providers based on the advice of friends, relatives, and coworkers or on recommendations from a current provider or their health plan (Blendon et al., 2011; Kaiser Family Foundation, 2011; Tu and Lauer, 2008). One reason for the low usage of publicly reported information is that many consumers believe care quality does not vary significantly among different health care organizations and different clinicians, which limits their motivation to make use of independent quality assessments. Moreover, many current reporting efforts use language and presentation formats that impede consumers' ability to use them for making decisions (Hibbard and Peters, 2003; Hibbard and Sofaer, 2010; Hibbard et al., 2002; Vaiana and McGlynn, 2002). Finally, consumers are heterogeneous in their use of publicly reported information, with usage varying based on demographic and socioeconomic factors. Thus the presentation and content of public reports need to be tailored to individual characteristics (Kolstad and Chernew, 2009).

Reporting also offers opportunities for clinicians to improve the quality of the care they provide by giving them more information on their current performance (Berwick et al., 2003). This type of information fills a critical need, because most physicians lack data on the care provided in their own practice, from their own rates of hospital readmissions to when their patients return to work. Without a baseline, clinicians cannot know whether their practices are improving. Reporting this type of information focuses attention on a specific quality issue and may support physicians and organizations in efforts to improve their practices (Porter, 2010). Other efforts, using voluntary reporting initiatives, sponsored by medical specialty societies or an integrated delivery system, have shown promise in providing information that clinicians can use for quality improvement activities (Ferguson et al., 2003; Grover et al., 2001).

A final means by which transparency may lead to improvement is by impacting a provider's or health care organization's reputation (Hibbard et al., 2005b). In a hospital reporting initiative in Wisconsin, hospitals indicated their belief that the report would affect their public reputation, although not patient volume (Hibbard et al., 2003). This concern appeared to motivate hospitals to undertake quality improvement initiatives.

Although reporting and transparency have had demonstrated impacts on clinical behavior, limited evidence exists about their overall impact on value. Studies and systematic reviews of the public reporting literature suggest that reporting of performance data stimulates quality improvement activities, especially at hospitals, but the impact on effectiveness, safety, and patient-centeredness remains unknown (Fung et al., 2008; Smith et al., 2012). Moreover, recent studies have shown limited effects of public reporting on the quality of care processes or health outcomes, such as mortality, suggesting that there are opportunities for improvement in designing and implementing transparency initiatives to produce optimal results (Ryan et al., 2012; Tu et al., 2009).

Improving transparency initiatives will require action on multiple fronts. First, there is a need to increase alignment among different transparency initiatives. Many reporting efforts are currently under way, each measuring different aspects of care delivery; this multiplicity can confuse consumers and limit impact (Rothberg et al., 2008). Second, there is concern that transparency initiatives may exacerbate health care disparities, as organizations and providers in geographic areas with limited resources may have less ability to undertake improvement efforts (Casalino et al., 2007). Finally, reporting requires that health care practices incur costs for establishing metrics in their data systems, for maintaining the data, and for entering data during each patient visit (Halladay et al., 2009). Although further work is needed to improve the practical implementation of transparency and minimize negative consequences, greater transparency is necessary to provide the information needed to promote continuous learning and improvement.

There also are specific issues to consider when transparency initiatives focus on cost, seeking to increase public knowledge and allow consumers to engage in cost-conscious shopping and thereby stimulate competition on cost and quality (Sinaiko and Rosenthal, 2011). The health care market is unusual in that the prices for services are largely confidential. Several aspects of the health care market make cost information difficult to obtain. These include health care factors such as the fragmented billing of different providers for an episode of care, the difficulty of predicting the services that will be provided during an episode of care, and varying insurance benefit structures, as well as legal factors such as antitrust law, contractual obligations between insurers and providers, and hesitancy to disclose negotiated rates (Government Accountability Office, 2011a).

Additional challenges facing this type of reporting include the common perception that higher-cost care is higher-quality, limited provider competition in some geographic areas, and differences between prices for procedures and overall health care costs (Ginsburg, 2007; Hibbard et al., 2012; Tu and Lauer, 2009). While there is significant interest in overcoming these barriers to improve the transparency of cost information, such transparency initiatives have been implemented in few places, and their effectiveness remains unclear (Government Accountability Office, 2011a). Nonetheless, evidence demonstrates that transparency can focus employer and policy attention on price differences (Tu and Lauer, 2009). Increased penetration of high-deductible health plans also may encourage greater use of reported information, although this will require that the information be available in an understandable format and customizable for a particular patient's situation.

Conclusion 8-2: Transparency of process, outcome, price, and cost information, both within health care and with patients and the public, has untapped potential to support continuous learning and improvement in patient experience, outcomes, and cost and the delivery of high-value care.

Related findings:

  • Reporting and transparency improve performance in certain circumstances. Following public reporting of pneumonia care measures, for example, rates of compliance rose from 72 percent to 95 percent in 8 years.
  • Reporting and transparency provide clinicians with information they want and need. Results of one initiative indicated that coupling financial incentives with assistance to clinicians in monitoring their practice patterns against those of others decreased spending growth by 2 percent per quarter while improving overall care quality.

THE PATH TO A SYSTEM THAT PAYS FOR CONTINUOUS IMPROVEMENT

To address the current flawed payment system, it is necessary to ensure that financial incentives promote quality care and patient health. Health care organizations and private health plans have been testing new models of care delivery; many of these innovations have shown initial success in improving quality and value (Higgins et al., 2011a; Milstein and Gilbertson, 2009; Song et al., 2011). Similarly, the Patient Protection and Affordable Care Act of 2010 has created opportunities to explore pilot delivery models, such as through the Center for Medicare & Medicaid Innovation, and established several new models for Medicare and Medicaid payment, such as the formation of accountable care organizations (Thorpe and Ogden, 2010). Both private and public innovations in health care payment offer opportunities to transition the health care system toward one characterized by continuous improvement. One example is described in Box 8-3.

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BOX 8-3

Innovations in Health Care Payment: The Alternative Quality Contract. Blue Cross Blue Shield of Massachusetts established the Alternative Quality Contract (AQC) in January 2009, combining two forms of payment to providers. The program provides a global (more...)

There are multiple methods for transitioning health care incentives from the current system toward one that rewards value (Table 8-2). These methods may build on existing models, such as by adding incentives for care coordination or shared decision making to procedure-based payment. Another approach entails policies on coverage with evidence development, which are focused on incorporating new treatments and technologies into payment policies while building an evidence base on their effectiveness. More fundamental shifts include global payment systems that provide clinicians with a single payment for all the care needed by a given patient (with some versions adjusting for patient health status and other factors, as well as including incentives for improved patient outcomes). These incentive models also differ in whether they target changing provider or consumer behavior. Table 8-2 does not include all strategies for improving value; for instance, conditions of participation in an insurance plan could be a strong motivation for changing provider behavior. However, the table does highlight the breadth of payment and delivery system organization models currently under consideration.

TABLE 8-2. Selected List of Payment Policies and Delivery System Reforms That Change the Method for Recognizing High-Value Care.

TABLE 8-2

Selected List of Payment Policies and Delivery System Reforms That Change the Method for Recognizing High-Value Care.

Properly designed financial incentives can improve the quality of care and its outcomes (Conrad and Perry, 2009). As noted in the Institute of Medicine (IOM) report Rewarding Provider Performance: Aligning Incentives in Medicare, however, an evidence base does not yet exist for determining which type of payment strategy would best improve care quality (IOM, 2007). Since the publication of that report, systematic reviews and studies have continued to find conflicting evidence on which payment models best improve the quality and value of care delivered by individual clinicians and through health care organizations (Government Accountability Office, 2011b; Petersen et al., 2006; Rosenthal, 2008; Scott et al., 2011; Werner et al., 2011). Because the ideal payment model is unknown, there is an opportunity for additional learning and for building an evidence base on what works best.

As part of the learning process for discovering the ideal payment model, it is important to consider the differing impacts of a particular value initiative on different organizations and clinicians. Because organizations vary, a given intervention will work better in some environments than in others (Government Accountability Office, 2011b). For instance, some providers can bear greater levels of financial risk than others, which impacts their ability to accept payment methods such as bundled and global payments (Office of Attorney General of Massachusetts, 2011). Similarly, it is important to understand potential adverse effects of a given incentive structure on clinicians (Kurtzman et al., 2011).

A second challenge is the need to understand how different incentive structures affect patients. Many payers have developed financial incentives specifically focused on patients and consumers, including consumer-directed health plans, employer wellness programs, and value-based insurance design. As an example, value-based insurance design models configure benefit design (such as co-payments, clinician networks, and deductibles) to encourage patient and consumer use of high-value services. Such models have shown potential in several cases, although obstacles still exist to their widespread adoption (Chernew et al., 2010; Fendrick et al., 2009, 2010). For these types of models to be successful, it is necessary to understand how patients actually respond to financial incentives. Current evidence shows that increasing overall cost sharing for patients often lowers the consumption of both effective and ineffective care (Baicker and Goldman, 2011; Beeuwkes Buntin et al., 2011; Chandra et al., 2010; Chernew et al., 2008; Choudhry et al., 2010b; Hsu et al., 2006; Manning et al., 1987).

One field of study that has substantial relevance to understanding the effect of different incentive structures is behavioral economics (Volpp et al., 2008a). This field has shown that people's responses to different incentive structures may depart, sometimes dramatically so, from the predictions of traditional economics and its conception of the ideal decision maker (Loewenstein et al., 2012). While people respond differently from traditional theories, however, they do react according to several common pathways, including loss aversion, optimism bias, and a bias toward the present (Volpp et al., 2009b). To translate the impact of one of these factors, the fact that most people focus on the present means that incentives with the same frequency as the desired actions are more likely to be effective; a monthly or yearly incentive, for example, will not effectively motivate daily action (Volpp et al., 2008b, 2011). In applying these principles to practice, special consideration should be given to customizing incentives to different populations to ensure their effectiveness (Choudhry et al., 2010a, 2011; Volpp et al., 2009a).

Another challenge faced in developing patient incentives is ensuring that patients have the tools necessary to take advantage of the incentives. Many consumer-focused payment models require that consumers estimate their out-of-pocket costs for their specific situation and under different benefit plans. New tools, such as calculators supplied by large employers and health plans, have been developed to make this task easier. Ensuring that information on health care costs is understandable to a broad audience is key to several new initiatives, such as the proposed standardized summary of insurance benefits (Quincy, 2011).

Payment policies and incentives may need to take into account the heterogeneity of patient health care usage. In 2008, the half of the population with the lowest expenditures accounted for 3.1 percent of total health care costs, while (as noted in Chapter 2) the 5 percent of patients with the highest expenditures accounted for 50 percent of the total (Cohen and Yu, 2011). This concentration of care among a small number of patients has encouraged new initiatives designed to focus efforts on patients with the greatest health care needs, given the potential to improve outcomes and value for that population. Box 8-4 highlights one example. Other initiatives likewise have shown statistically significant cost reductions, with one site realizing a 12 to 16 percent reduction in monthly expenditure growth by focusing on its medically complex patients (McCall et al., 2010).

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BOX 8-4

Tailoring Care for Medically Complex Patients: The AtlantiCare Special Care Center. Tailoring of care for medically complex patients can lead to improved care quality and patient health. One clinic using this model is the AtlantiCare Special Care Center—a (more...)

For all payment models, it is necessary to ensure that they support patient-centered care. One concern is ensuring that incentive structures do not penalize clinicians who customize their care to patient needs, goals, and circumstances even when that care departs from guidelines (Keirns and Goold, 2009). Furthermore, some types of payment models can exacerbate disparities in health care (Blustein et al., 2011). These considerations are important to minimizing unintended consequences.

Another challenge in implementing new models is aligning incentives in the current multipayer environment. Different payers, including private health insurance plans, Medicaid, and Medicare, often use different measures to assess and reward provider performance (Lee et al., 2010). As a result, practices and hospitals must have multiple incentive models for their patients. Yet most clinicians tend to provide similar care for all of their patients, regardless of the type of insurance they hold (Baker, 1999; Glied and Zivin, 2002). The lack of alignment limits opportunities for learning by reducing the potential for a given incentive model to change medical practice in a fundamental way.

Finally, it is important to note that financial incentives do not operate in a vacuum. They are one factor, although an important one, in moving the system toward high-value care. In addition to financial incentives, other factors, such as the use of electronic health records and the organizational structure of health care (Chapter 9), play significant and important roles (Conrad and Perry, 2009; IOM, 2007). Nonetheless, payment is a crucial element for accomplishing widespread change.

FRAMEWORK FOR ACHIEVING THE VISION1

Rising health care costs in the United States are straining the budgets of federal and state payers, employers, and patients. Yet many of these expenditures are wasted and do not improve patient health. Continuously improving the value achieved by health care, thereby continually reducing waste, requires greater availability of information on health care performance in terms of patient experience, outcomes, and cost.

Health care payment practices also play an important role in determining the value achieved by the health care system. While current payment practices often reward service volume over value, a continuously learning health care system aligns its incentives to reward evidence-based, high-quality care. Recommendation 8 describes actions necessary to encourage incentives for continuous learning and improvement, as well as to develop the metrics needed to measure value.

Recommendation 8: Financial Incentives

Structure payment to reward continuous learning and improvement in the provision of best care at lower cost. Payers should structure payment models, contracting policies, and benefit designs to reward care that is effective and efficient and continuously learns and improves.

Strategies for progress toward this goal:

  • Public and private payers should reward continuous learning and improvement through outcome- and value-oriented payment models, contracting policies, and benefit designs. Payment models should adequately incentivize and support high-quality team-based care focused on the needs and goals of patients and families.
  • Health care delivery organizations should reward continuous learning and improvement through the use of internal practice incentives.
  • Health economists, health service researchers, professional specialty societies, and measure development organizations should partner with public and private payers to develop and evaluate metrics, payment models, contracting policies, and benefit designs that reward high-value care that improves health outcomes.

Also necessary for continuous learning and improvement is transparency. Recommendation 9 outlines broad measures needed to increase the transparency of information in health care along multiple dimensions of performance. Further, the recommendation encompasses actions by public and private payers to supply such data and an increase in these transparency initiatives.

Recommendation 9: Performance Transparency

Increase transparency on health care system performance. Health care delivery organizations, clinicians, and payers should increase the availability of information on the quality, prices and cost, and outcomes of care to help inform care decisions and guide improvement efforts.

Strategies for progress toward this goal:

  • Health care delivery organizations should collect and expand the availability of information on the safety, quality, prices and cost, and health outcomes of care.
  • Professional specialty societies should encourage transparency on the quality, value, and outcomes of the care provided by their members.
  • Public and private payers should promote transparency in quality, value, and outcomes to aid plan members in their care decision making.
  • Consumer and patient organizations should disseminate this information to facilitate discussion, informed decision making, and care improvement.

Recommendations 8 and 9 are intended to promote continuous learning with respect to the value achieved by the health care system. They build on the successes realized by health care organizations and insurers in developing new models of paying for care and organizing care delivery. While a diversity of payment systems is likely to persist, these successes highlight the opportunity for incentives designed to encourage learning and improvement. By aligning incentives to focus on the patient, new payment and incentive methods can promote high-value care that reduces waste and fosters a sustainable health care system for the future.

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Footnotes

1

Note that in Chapters 6-9, the committee's recommendations are numbered according to their sequence in the taxonomy in Chapter 10.

Copyright 2013 by the National Academy of Sciences. All rights reserved.
Bookshelf ID: NBK207237

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