Comorbidity Assessment Is Uneven Across Veterans Health Administration and Medicare for the Same Patient: Implications for Risk Adjustment
Objective:
Compare comorbidity identification in Medicare and Veterans Health Administration (VA) data for the purposes of risk adjustment.
Data Sources:
Analysis of Medicare and VA datasets for dually-enrolled Veterans receiving care in both settings, fiscal years 2010–2014.
Study Design:
A retrospective analysis of administrative data for a national sample of cancer decedents.
Data Extraction Methods:
Comorbidities were evaluated using Elixhauser and Charlson coding algorithms.
Principal Findings:
Clinical comorbidities were more likely to be recorded in Medicare than in VA datasets. Of 42 comorbidities, 36 (86%) were recorded at a different frequency. For example, congestive heart failure was recorded for 22.0% of patients in Medicare data and for 11.3% of patients in VA data (P
Source: Medical Care - Category: Health Management Tags: Brief Reports Source Type: research
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