Table 2.
Percentage responders at 52 weeks follow-up (n = 156)
| intervention (n = 77) | control (n = 79) | NNT | OR (95% CI) | p | |
|---|---|---|---|---|---|
| all subjects analysed | |||||
| responder set 1a | 57.1% | 34.2% | 4.4 | 2.6 (1.3; 4.9) | 0.006 |
| responder set 2b | 54.5% | 34.2% | 4.9 | 2.3 (1.2; 4.4) | 0.015 |
| 1st additional analysisc | |||||
| responder set 1a | 50.6% | 31.6% | 5.3 | 2.2 (1.2; 4.3) | 0.022 |
| responder set 2b | 48.1% | 32.9% | 6.6 | 1.9 (1.0; 3.6) | 0.072 |
| 2nd additional analysisd | |||||
| responder set 1a | 50.6% | 31.6% | 5.3 | 2.2 (1.2; 4.3) | 0.022 |
| responder set 2b | 48.1% | 31.6% | 6.1 | 2.0 (1.0; 3.8) | 0.049 |
apain during rest included in responder domains next to function and PGA, bpain during activity included in responder domains next to function and PGA, csubjects receiving major knee related surgery considered non-responder, dSubjects receiving any knee related surgery considered non-responder, OR: Odds ratio, CI: confidence interval, NNT: number needed to treat