Association of radiographic and symptomatic knee osteoarthritis with health-related quality of life in a population-based cohort study in Japan: the ROAD study S. Muraki, T. Akune, H. Oka, Y. En-yo, M. Yoshida, A. Saika, T. Suzuki, H. Yoshida, H. Ishibashi, F. Tokimura, S. Yamamoto, K. Nakamura, H. Kawaguchi, N. Yoshimura Osteoarthritis and Cartilage Volume 18, Issue 9, Pages 1227-1234 (September 2010) DOI: 10.1016/j.joca.2010.06.001 Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions
Fig. 1 Mean scores and SE of the SF-8, EQ-5D, and WOMAC scales in men and women with symptomatic knee OA (N=38 and 154, respectively), radiographic knee OA without pain (N=53 and 140, respectively), and no radiographic knee OA (N=676 and 1065, respectively). Symptomatic knee OA was defined as KL=3 or 4 with knee pain, radiographic knee OA without pain was defined as KL=3 or 4 without knee pain, and no radiographic knee OA was defined as KL=0, 1 or 2. Osteoarthritis and Cartilage 2010 18, 1227-1234DOI: (10.1016/j.joca.2010.06.001) Copyright © 2010 Osteoarthritis Research Society International Terms and Conditions