期刊
JOURNAL OF MEDICAL ECONOMICS
卷 18, 期 12, 页码 1032-1040出版社
TAYLOR & FRANCIS LTD
DOI: 10.3111/13696998.2015.1074078
关键词
Healthcare costs; Myocardial infarction; Stroke; Type 2 diabetes mellitus; Cardiovascular disease
资金
- AstraZeneca, Fort Washington, PA
- Bristol-Myers Squibb, Plainsboro, NJ
Objective:To quantify the cost of acute major adverse cardiac events (MACE; myocardial infarction [MI] and stroke) stratified by cardiovascular disease (CVD) risk factors in commercially, Medicare Supplemental-, and Medicaid-insured patients with type 2 diabetes mellitus (T2DM).Methods:US administrative claims data were used to identify patients with T2DM aged 18 and continuously enrolled with insurance benefits from July 1, 2009-June 30, 2010 (baseline). Patients were classified into three baseline CVD risk groups (highest, medium, and lowest) and followed from July 1, 2010 until 1 year or censoring (follow-up) to measure per-patient per-month (PPPM) all-cause healthcare costs. Multivariable regression compared costs between patients with/without MACE during follow-up. Patients with MACE were further followed for up to 1 year after initial event to quantify longitudinal event costs.Results:Sample comprised 1,415,598 T2DM patients. Over average follow-up ranging from 301-343 days across CVD risk groups, 10,399 patients experienced MACE. Expected multivariable-adjusted mean PPPM costs of MACE per 100 covered patients within each CVD risk group varied by payer and generally increased with CVD risk (range=$1555 in lowest-risk commercially insured patients to $18,727 in highest-risk Medicaid-insured patients). Longitudinal costs of MACE were lowest among Medicare Supplemental-insured patients with stroke ($22,657 initial event, $2488 PPPM up-to 1-year follow-up care) and highest among Medicaid-insured patients with MI ($41,505 initial event, $4799 PPPM up to 1-year follow-up care).Conclusions:These results illustrate the potential clinical and economic importance of considering patients' CVD risk and medications' cardiovascular safety profile when treating T2DM patients.
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