Validation of an Administrative Knee Osteoarthritis Severity Index in a Veterans Health Affairs Cohort [Big data]
Annals of Family Medicine
NOVEMBER 20, 2024
However, it is unclear whether results would generalize to other healthcare populations. The first OA diagnosis in record must occur from 2009-2014 and index date is OA diagnosis date. Final sample size was 435,731. Intervention/Instrument: OASI, updated every 6-months from OA date to end of follow-up. Outcome Measures: Time to TKA.
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