OA grade 2 (n = 58) | OA grade 3 (n = 98) | OA grade 4 (n = 51) | ||||
---|---|---|---|---|---|---|
Function index linear regression | Parameter estimate | P value | Parameter estimate | P value | Parameter estimate | P value |
Knee bracing | +2.69 | 0.67 | +2.56 | 0.51 | +10.81 | 0.04 |
Daily analgesics | −5.58 | 0.38 | −8.6 | 0.03 | −13.94 | 0.003 |
Logistic regression (>9-point improvement) | Odds ratio [95 % C.I.] | P value | Odds ratio [95 % C.I.] | P value | Odds ratio [95 % C.I.] | P value |
Knee bracing | 2.4 [0.66–8.81] | 0.19 | 1.22 [0.45–2.22] | 0.70 | 5.54 [1.14–27.0] | 0.03 |
Daily analgesics | 0.12 [0.03–0.53] | 0.005 | 0.55 [0.18–1.63] | 0.28 | 0.12 [0.03–0.61] | 0.009 |
Average pain index linear regression | Parameter estimate | P value | Parameter estimate | P value | Parameter estimate | P value |
Knee bracing | +0.94 | 0.25 | +0.30 | 0.67 | +1.81 | 0.10 |
Daily analgesics | −0.59 | 0.46 | −1.06 | 0.14 | −2.15 | 0.03 |
Physical therapy | +2.11 | 0.004 | −0.25 | 0.73 | −1.30 | 0.22 |