Independent variable | 16% improvement in the WOMAC | Transition | Both criteria | |||
---|---|---|---|---|---|---|
 | OR | IC 95% | OR | IC 95% | OR | IC 95% |
Total WOMAC score at baseline | - | Â | 0.43* | 0.22-0.82 | - | Â |
Age > 57 (years) | 1.20 | 0.66-2.16 | 0.41 | 0.21-0.77 | 1.14 | 0.61-2.13 |
BMI > 31 (kg/m2) | 1.79* | 1.02-3.28 | 0.81 | 0.43-1.49 | 1.18 | 0.63-2.18 |
Joint space width > 3.5 mm | 0.48* | 0.23-0.98 | 1.59+ | 0.76-3.21 | 0.61+ | 0.28-1.30 |
Knee height > 49 cm | 2.46* | 1.18-5.13 | 0.75 | 0.36-1.51 | 1.05 | 0.49-2.25 |
KL Grade > 2 | 1.34 | 0.71-2.54 | 0.47* | 0.23-0.97 | 1.26 | 0.68-2.45 |
Duration of OA > 4 (month) | 1.14 | 0.51-2.56 | 0.75 | 0.39-1.72 | 1.38 | 0.59-3.21 |
Previous knee injuries | 5.27* | 1.83-15.38 | 2.25+ | 0.86-5.85 | 3.92* | 1.59-9.67 |
Co morbidities | 0.71 | 0.38-1-28 | 0.67+ | 0.35-1.21 | 0.60+ | 0.32-1.13 |
Existence of back pain | 1.77 | 0.15-19.9 | 18.2 | 0.51-24.5 | 3.39 | 0.31-38.2 |
High level of education | 2.19* | 1.15-4.19 | 0.63 | 0.33-1.21 | 1.72+ | 0.91-3.25 |
Number of pregnancies > 4 | 2.48* | 1.06-5.73 | 0.51+ | 0.21-1.21 | 1.92+ | 0.81-4.51 |
EQ index at baseline > 0.36 | 0.5+ | 0.24-1 | 1.47 | 0.73-3.07 | 0.58+ | 0.27-1.26 |
VAS EQ 5D at baseline > 40 | 0.21* | 0.09-0.41 | 1.56+ | 0.73-3.32 | 0.29* | 0.12-0.71 |