Validation of an Administrative Knee Osteoarthritis Severity Index in a Veterans Health Affairs Cohort [Big data]
Annals of Family Medicine
NOVEMBER 20, 2024
The first OA diagnosis in record must occur from 2009-2014 and index date is OA diagnosis date. OASI is the sum number of care elements offered (NSAID fills, opioid fills, intra-articular injection, knee x-ray, knee advanced imaging, and physical therapy). Results: Overall, average age at OA diagnosis was 64.0 SD 1.5).
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