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Subject characteristics at the enrollment visit for each joint space narrowing profile
| Characteristic | Nonprogressors (n = 880) | Progressors (n = 363) | ||
|---|---|---|---|---|
| Age (years) | 62.1 ± 9.0 | 62.3 ± 8.2 | ||
| Sex (% women) | 66.7 % | 53.2 % | ||
| BMI (kg/m2) | 29.0 ± 4.8 | 29.1 ± 4.6 | ||
| Right Knee | Left Knee | Right Knee | Left Knee | |
| WOMAC Pain (0 – 20) | 1.6 ± 2.4 | 1.5 ± 2.6 | 1.8 ± 2.7 | 1.7 ± 2.9 |
| WOMAC Function (0 – 68) | 5.3 ± 7.7 | 5.5 ± 8.6 | 5.8 ± 8.3 | 6.3 ± 9.4 |
| Joint Space Width (mm) | 4.3 ± 1.1 | 4.2 ± 1.0 | 4.4 ± 1.3 | 4.2 ± 1.0 |
