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Am J Manag Care. 2017 Jul 1;23(7):e208-e214.

Medication adherence and improved outcomes among patients with type 2 diabetes.

Author information

1
HealthMetrics Outcomes Research, 27576 River Reach Dr, Bonita Springs, FL 34134. E-mail: lagemj@hlthmetrics.com.

Abstract

OBJECTIVES:

Examine the association between adherence to glucose-lowering agents (GLAs) and patient outcomes in an adult type 2 diabetes (T2D) population.

STUDY DESIGN:

Retrospective analysis.

METHODS:

Truven's Commercial Claims and Encounters database supplied data from July 1, 2009, to June 30, 2014. Patients 18 to 64 years with T2D were included if they received a GLA from July 1, 2010, through June 30, 2011. Multivariable analyses examined the relationships among 3-year patient outcomes and adherence, defined as proportion of days covered 80% or more. Outcomes included all-cause medical costs, acute care resource utilization, and acute complications.

RESULTS:

Although there was no statistically significant difference in total costs when comparing adherent and nonadherent patients ($38,633 vs $38,357; P = .0720), acute care costs ($12,153 vs $8233; P <.0001) and outpatient costs ($16,964 vs $15,457; P <.0001) were significantly lower for adherent patients. Adherence was also associated with a lower probability of hospitalization (22.71% vs 17.65%; P <.0001) and emergency department (ED) visits (45.61% vs 38.47%; P <.0001), fewer hospitalizations (0.40 vs 0.27; P <.0001) and ED visits (1.23 vs 0.83; P <.0001), and a shorter hospital length of stay (2.16 vs 1.25 days; P <.0001). Adherent patients were also less likely to be diagnosed with an acute complication in the 3-year post period (12.54% vs 9.64%; P <.0001).

CONCLUSIONS:

Compared with nonadherence, adherence to GLAs among patients with T2D was associated with a significant reduction in acute care costs and resource utilization, outcomes that may positively impact the welfare of patients.

PMID:
28850793
[Indexed for MEDLINE]
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