Affiliation:
1. Department of Emergency Medicine, Brigham and Women’s Hospital, Boston, MA (S.-C.C., S.G.W.).
2. Departments of Internal Medicine and Population and Data Sciences, University of Texas Southwestern Medical Center, Dallas (A.S.H.).
3. Department of Population Medicine, Harvard Medical School, Boston, MA (J.F.W.).
4. Harvard Pilgrim Health Care Institute, Boston, MA (J.F.W.).
Abstract
Background:
Timely evaluation of acute chest pain is necessary, although most evaluations will not find significant coronary disease. With employers increasingly adopting high-deductible health plans (HDHP), how HDHPs impact subsequent care after an emergency department (ED) diagnosis of nonspecific chest pain is unclear.
Methods:
Using a commercial and Medicare Advantage claims database, we identified members 19 to 63 years old whose employers exclusively offered low-deductible (≤$500) plans in 1 year, then, at an index date, mandated enrollment in HDHPs (≥$1000) for a subsequent year. We matched them with contemporaneous members whose employers only offered low-deductible plans. Primary outcomes included population rates of index ED visits with a principal diagnosis of nonspecific chest pain, admission during index ED visits, and index ED visits followed by noninvasive cardiac testing within 3 and 30 days, coronary revascularization, and acute myocardial infarction hospitalization within 30 days. We performed a cumulative interrupted time-series analysis, comparing changes in annual outcomes between the HDHP and control groups before and after the index date using aggregate-level segmented regression. Members from higher-poverty neighborhoods were a subgroup of interest.
Results:
After matching, we included 557 501 members in the HDHP group and 5 861 990 in the control group, with mean ages of 42.0 years, 48% to 49% female, and 67% to 68% non-Hispanic White individuals. Employer-mandated HDHP switches were associated with a relative decrease of 4.3% (95% CI, –5.9 to –2.7; absolute change, –4.5 [95% CI, –6.3 to –2.8] per 10 000 person-years) in nonspecific chest pain ED visits and 11.3% (95% CI, –14.0 to –8.6) decrease (absolute change, –1.7 per 10 000 person-years [95% CI, –2.1 to –1.2]) in visits leading to hospitalization. There was no significant decrease in subsequent noninvasive testing or revascularization procedures. An increase in 30-day acute myocardial infarction admissions was not statistically significant (15.9% [95% CI, –1.0 to 32.7]; absolute change, 0.3 per 10 000 person-years [95% CI, –0.01 to 0.5]) but was significant among members from higher-poverty neighborhoods.
Conclusions:
Employer-mandated HDHP switches were associated with decreased nonspecific chest pain ED visits and hospitalization from these ED visits, but no significant change in post-ED cardiac testing. However, HDHP enrollment was associated with increased 30-day acute myocardial infarction admission after ED diagnosis of nonspecific chest pain among members from higher-poverty neighborhoods.
Publisher
Ovid Technologies (Wolters Kluwer Health)
Subject
Physiology (medical),Cardiology and Cardiovascular Medicine
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