Intervention, n (%) | Control, n (%) | P valuea | Odds ratio (95% CI)b | P valueb | |
---|---|---|---|---|---|
Whole population, n = 390 | n = 206 | n = 184 | |||
Knee pain worsening | 28 (13.6) | 33 (17.9) | 0.24 | 0.67 (0.38, 1.17) | 0.16 |
Subgroup with no knee pain at baseline, n = 259 | n = 139 | n = 120 | |||
Incidence of knee pain | 20 (14.4) | 18 (15.0) | 0.89 | 0.92 (0.45, 1.84) | 0.81 |
Subgroup with knee pain at baseline, n = 131 | n = 67 | n = 64 | |||
Knee pain increasing | 8 (11.9) | 15 (23.4) | 0.08 | 0.37 (0.14, 1.01) | 0.05 |
Knee pain improvement | 43 (64.2) | 41 (64.1) | 0.99 | 1.13 (0.53, 2.43) | 0.75 |