Multivariate odds ratios (OR) and 95% confidence interval (CI) for baseline factors associated with radiographic progression of medial compartment knee osteoarthritis. Analysis by logistic regression model
| p Value | OR | 95% CI | |
|---|---|---|---|
| *Weight (kg)/(height (m))2; †evaluated using the knee rating system of the Hospital for Special Surgery34; ‡see fig 1. | |||
| Age | 0.01 | 1.22 | 1.05 to 1.41 |
| Sex | 0.42 | 2.14 | 0.34 to 13.50 |
| Body mass index* | 0.19 | 1.21 | 0.91 to 1.61 |
| Pain† | 0.43 | 0.93 | 0.78 to 1.11 |
| Mechanical axis (°)‡ | 0.50 | 0.90 | 0.66 to 1.23 |
| Joint space width (mm) | 0.59 | 0.74 | 0.25 to 2.19 |
| Adduction moment (% wt × ht) | 0.0002 | 6.46 | 2.40 to 17.45 |