The Italian version of WOMAC is a reliable and valid instrument for evaluating the severity of OA of the knee, with metric properties in agreement with the original, widely used version.
Reliability and validity of the Western Ontario and McMaster Universities (WOMAC) Osteoarthritis Index in Italian patients with osteoarthritis of the knee / Salaffi, Fausto; Leardini, G; Canesi, B; Mannoni, A; Fioravanti, A; Caporali, R; Lapadula, G; Punzi, L; Gonorthrosis, ; Quality Of Life, Assessment. - In: OSTEOARTHRITIS AND CARTILAGE. - ISSN 1063-4584. - 11 (8):(2003), pp. 551-560.