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BMJ. Jul 26, 2003; 327(7408): 173–174.
PMCID: PMC1126560

“The best places to die”

Improving end of life care requires better population level data
Peter A Singer, Sun Life Financial chair and director
University of Toronto Joint Centre for Bioethics, 88 College St, Toronto, Canada M5G 1L4 (ac.otnorotu@regnis.retep)
Michael Wolfson, assistant chief statistician

Although the oldest health statistics are based on death certificates, one of the weakest areas of health information is how we die. For example, in Canada 220 000 deaths occur each year. We know how many people died, and whether it was from cancer, heart disease, or other causes. But we have no idea how many of these people died in pain, hooked up to life support they didn't want, or alone. In the absence of systematic information and monitoring of end of life care and comparisons across health regions (or health care organisations) there is no possibility of learning what is possible (those regions with the highest ratings), nor of tracking whether improvements are occurring.

Twenty years ago, the challenge was to engage healthcare workers in the care of the dying. Ten years ago, the challenge was to engage healthcare organisations in quality improvement efforts on end of life care. Today, the challenge is to develop systematic and comprehensive information on the quality of end of life care at the population level.

Canada, like many countries, has a well developed health information structure—organisations such as Statistics Canada and the Canadian Institute for Health Information, which systematically collect a range of data and turn it into credible and widely available information on the health of the population and characteristics of health care. Additionally, a popular weekly, Macleans, publishes regular reports with league tables on “the best” regions for health care or the healthiest cities. Although these rankings have statistical problems, they are popular with the public. What if there were annual rankings of “the best places to die?” On what data would these be based?

Predicting who is within six months (say) of dying, in order to have a sample frame, is impossible. A feasible alternative is to work backward from death certificates, drawing on routinely collected data that are already available for administrative purposes. In Canada, this could start with linking them to the discharge abstract records of admissions to hospital in the preceding six or 12 months—giving some ideas of the extent to which individuals spent their last days in hospital settings and the patterns of treatment they received—for example, how aggressive the various procedures were. Statistics Canada has recently initiated a project on health related, person oriented information under which this could be undertaken. One example of such linkages was a comparison of one year survival after acute myocardial infarction across health regions in relation to the rate of revascularisation.1

Still, these data will be limited because they tell us nothing about the kinds of care individuals receive outside hospital. In future, given plans for electronic health records, routinely collected data could also cover people in nursing homes and those receiving home care.

This approach of working back from death certificates has an important advantage over collecting standardised data from institutions formally offering palliative care.2 The reason is that some (unknown, but probably substantial) number of individuals die without any contact with a palliative care institution. Indeed, one objective of a population based assessment is to determine just what an individual's chances are of dying with access to high quality end of life care services.

But even working back from death certificates and linking to routinely collected administrative data will not be adequate because these records typically capture nothing about how patients felt in terms of their health and the kinds of care they were receiving.

Ideally, such data would be augmented with more subjective information on the quality of end of life care—either from self report or from close relatives.

While these strategies are feasible they may not be efficient. Self report of patients would not be efficient because most of the data collected would not be used (only a small proportion of patients—and identified only through hindsight—would be receiving end of life care). Tracking back to loved ones would not be efficient because a whole new survey would need to be conducted and one could not rely on data already collected for other purposes.

An alternative would be to start with close relatives and loved ones and ask them if they had any gravely ill or recently deceased close relatives. This would certainly be a sensitive kind of survey and would need to be handled with compassion and tact. It is not clear whether the public is ready for such questioning, even from a highly respected national statistical agency. But several major recent reports and policy statements in Canada and elsewhere have drawn attention to the need for much improved end of life care.3-5

From a sampling point of view, if each dying person had on average three close relatives or loved ones (such as spouse, children), with a crude death rate of about 0.7%, Canada's new community health survey, with a sample size well over 100 000, would “find” over 2000 deaths per year (although this sample would be biased toward dying individuals who were married and had children). Of course, loved ones might offer a slightly different window on the dying person's experience compared with the person themselves.

These are among the notable statistical challenges in establishing an ongoing surveillance system for end of life care. But there are feasible starting points. The statistical task will become easier as many developed countries move toward electronic health or patients' records. These initiatives are being driven by expectations of improved care for patients and better management of systems. One of their objectives should be to enable monitoring of the quality of end of life care. In turn, the regular publication of comparable results should provide continuing pressures for improvements.

Ultimately, international comparisons—for example, the World Health Report—could be made to give greater attention to the silent 85% of 56 million deaths in the world which occur in developing countries.6

Notes

Funding: PAS is supported by a Distinguished Investigator award from the Canadian Institutes of Health Research.

Competing interests: None declared.

References

1. Johansen H, Nair C, Mao L, Wolfson MC. Revascularization and heart attack outcomes. Health Rep 2002;13: 35-46. [PubMed]
2. Fassbender K, Fainsinger RL. The drive for a national palliative care database www.palliative.org/PC/ClinicalInfo/Editorials/ClinicalNotes-Editorial-Revised-KF.html (accessed 10 Jul 2003).
3. Building on values: the future of health care in Canada. www.healthcarecommission.ca/ (accessed 16 Jun 2003).
4. The health of Canadians—the federal role: final report. www.parl.gc.ca/37/2/parlbus/commbus/senate/com-e/soci-e/rep-e/repoct02vol6-e.htm (accessed 16 Jun 2003).
5. Canada. First ministers' accord on health care renewal. 5 February 2003. www.scics.gc.ca/pdf/800039004_e.pdf (accessed 15 Mar 2003)
6. Singer PA, Bowman KW. Quality care at the end of life. BMJ 2002;324: 1291-2. [PMC free article] [PubMed]

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