TY - JOUR T1 - Surgeon Volume and Differences in Rates of Primary Total Knee Arthroplasty Across 3 US States JF - The Journal of Rheumatology JO - J Rheumatol DO - 10.3899/jrheum.220734 SP - jrheum.220734 AU - Michael M. Ward Y1 - 2022/12/01 UR - http://www.jrheum.org/content/early/2022/11/25/jrheum.220734.abstract N2 - Rates of total knee arthroplasty (TKA), one of the most common surgical procedures, vary markedly across regions, even after accounting for knee arthritis prevalence.1,2 In the United States, TKA rates are generally higher in the Midwest and Mountain West, and lower in the Southeast and on both coasts.2 ER -