Figure 1.

Health-related quality of life at baseline. Mean norm-based Short Form Health Survey-36 (SF-36) scales, mental component summary score (MCS), and physical component summary score (PCS) at baseline. Values were adjusted for age, gender, and disease duration. BP, bodily pain; GH, general health; MH, mental health; PF, physical functioning; RE, role emotional; RP, role physical; SF, social functioning; VT, vitality.