Health care utilization by knee OA pts varies. In nearly 1 million Knee OA (Medicare), 33% ended up with TKR. TKR/arthroplasty assoc w/ more clinic visits; PT, specialist care & intraarticular Rx assoc. w/ less TKR. TKR range 26% to 42% by region https://t.co/d1EQTTie8X