Table 4

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 ValueOR95% CI
*Weight (kg)/(height (m))2; †evaluated using the knee rating system of the Hospital for Special Surgery34; ‡see fig 1.
Age0.011.221.05 to 1.41
Sex0.422.140.34 to 13.50
Body mass index* to 1.61
Pain†0.430.930.78 to 1.11
Mechanical axis (°)‡0.500.900.66 to 1.23
Joint space width (mm)0.590.740.25 to 2.19
Adduction moment (% wt × ht)0.00026.462.40 to 17.45