Racial, Ethnic, and Geographic Disparities in Rates of Knee Arthroplasty among Medicare Patients

From the Center for the Evaluative Clinical Sciences and Community and Family Medicine, Dartmouth Medical School, Lebanon, N.H. (J.S., J.N.W., J.E.W.); the Department of Economics, Dartmouth College, Hanover, N.H. (J.S.); the Department of Orthopedics, Dartmouth–Hitchcock Medical Center, Lebanon, N.H. (J.N.W., S.M.S.); and the National Bureau of Economic Research, Cambridge, Mass. (J.S.). Address reprint requests to Dr. Weinstein at the Dartmouth–Hitchcock Medical Center, 1 Medical Center Dr., Lebanon, NH 03756, or at [email protected].