Document Classification

Section Type: RESULTS

Text: Compared with the controls, patients assigned to Tai Chi exhibited significantly greater improvement in WOMAC pain (mean difference at 12 weeks -118. 80 mm [95 % confidence interval (95 % CI) -183. 66, -53. 94 ; P = 0. 0005]), WOMAC physical function (-324. 60 mm [95 % CI -513. 98, -135. 22 ; P = 0. 001]), patient global visual analog scale (VAS ; -2. 15 cm [95 % CI -3. 82, -0. 49 ; P = 0. 01]), physician global VAS (-1. 71 cm [95 % CI -2. 75, -0. 66 ; P = 0. 002]), chair stand time (-10. 88 seconds [95 % CI -15. 91, -5. 84 ; P = 0. 00005]), Center for Epidemiologic Studies Depression Scale (-6. 70 [95 % CI -11. 63, -1. 77 ; P = 0. 009]), self-efficacy score (0. 71 [95 % CI 0. 03, 1. 39 ; P = 0. 04]), and Short Form 36 physical component summary (7. 43 [95 % CI 2. 50, 12. 36 ; P = 0. 004]).