Unknown

Dataset Information

0

Optimal use of available claims to identify a Medicare population free of coronary heart disease.


ABSTRACT: We examined claims-based approaches for identifying a study population free of coronary heart disease (CHD) using data from 8,937 US blacks and whites enrolled during 2003-2007 in a prospective cohort study linked to Medicare claims. Our goal was to minimize the percentage of persons at study entry with self-reported CHD (previous myocardial infarction or coronary revascularization). We assembled 6 cohorts without CHD claims by requiring 6 months, 1 year, or 2 years of continuous Medicare fee-for-service insurance coverage prior to study entry and using either a fixed-window or all-available look-back period. We examined adding CHD-related claims to our "base algorithm," which included claims for myocardial infarction and coronary revascularization. Using a 6-month fixed-window look-back period, 17.8% of participants without claims in the base algorithm reported having CHD. This was reduced to 3.6% using an all-available look-back period and adding other CHD claims to the base algorithm. Among cohorts using all-available look-back periods, increasing the length of continuous coverage from 6 months to 1 or 2 years reduced the sample size available without lowering the percentage of persons with self-reported CHD. This analysis demonstrates approaches for developing a CHD-free cohort using Medicare claims.

SUBMITTER: Kent ST 

PROVIDER: S-EPMC4617296 | biostudies-literature | 2015 Nov

REPOSITORIES: biostudies-literature

altmetric image

Publications

Optimal use of available claims to identify a Medicare population free of coronary heart disease.

Kent Shia T ST   Safford Monika M MM   Zhao Hong H   Levitan Emily B EB   Curtis Jeffrey R JR   Kilpatrick Ryan D RD   Kilgore Meredith L ML   Muntner Paul P  

American journal of epidemiology 20151005 9


We examined claims-based approaches for identifying a study population free of coronary heart disease (CHD) using data from 8,937 US blacks and whites enrolled during 2003-2007 in a prospective cohort study linked to Medicare claims. Our goal was to minimize the percentage of persons at study entry with self-reported CHD (previous myocardial infarction or coronary revascularization). We assembled 6 cohorts without CHD claims by requiring 6 months, 1 year, or 2 years of continuous Medicare fee-fo  ...[more]

Similar Datasets

| S-EPMC4548886 | biostudies-literature
| S-EPMC6760250 | biostudies-literature
| S-EPMC6640134 | biostudies-literature
| S-EPMC7164318 | biostudies-literature
| S-EPMC4101858 | biostudies-other
| S-EPMC4712581 | biostudies-literature
| S-EPMC4072852 | biostudies-literature
| S-EPMC6556828 | biostudies-literature
| S-EPMC6231686 | biostudies-literature
| S-EPMC10848552 | biostudies-literature