Validation of an Administrative Knee Osteoarthritis Severity Index in a Veterans Health Affairs Cohort [Big data]
Annals of Family Medicine
NOVEMBER 20, 2024
Objective: To validate the use of OASI among patients with knee OA to predict TKA in Veterans Health Affairs-Corporate Data Warehouse (VHA-CDW) administrative dataset. The first OA diagnosis in record must occur from 2009-2014 and index date is OA diagnosis date. Final sample size was 435,731. Outcome Measures: Time to TKA.
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