There was no significant predictor of radiographic progression 5 years later among those with prevalent knee osteoarthritis (OA) at baseline. Variables dichotomised by the median value. Univariate odds ratio (OR) with 95% confidence intervals (CI)
| Predictor variable (values from baseline)* | n† | Progress at follow up (n = 29) | No progress at follow up (n = 25) | OR (95% CI) |
|---|---|---|---|---|
| *Variable expressed as median (range), except for sex where numbers are presented; †numbers of patients included; ‡lower value indicates better result; §higher value indicates better result. | ||||
| Age (years) | 54 | 46 (36–53) | 44 (35–54) | 1.57 (0.53 to 4.60) |
| Sex (women/men) | 23/31 | 11/18 | 12/13 | 1.51 (0.51 to 4.47) |
| Body mass index (kg/m2) | 54 | 26.8 (21.6–37.5) | 24.5 (20.2–31) | 1.87 (0.62 to 5.63) |
| Pain VAS (0–100)‡ | 53 | 5 (0–50) | 0 (0–20) | 2.33 (0.66 to 8.30) |
| Maximum number of one-leg rises§ | 54 | 17 (0–140) | 22 (1–213) | 1.33 (0.46 to 3.90) |
| Time spent walking 300 m (min)‡ | 53 | 2.45 (1.74–4.29) | 2.48 (2.12–3.33) | 0.98 (0.32 to 3.02) |
| Timed standing on one leg (s)§ | 54 | 12 (2.6–31) | 31 (2.8–31) | 1.56 (0.53 to 4.60) |