Table 1 Descriptive characteristics of study sample (n = 404) and other Progression Subcohort members not analyzed (n = 986).
| Â | Study sample mean (SD) or n (%) | Remainder of Progression subcohort1 mean (SD) or n (%) |
|---|---|---|
Females | 199 (49%) | 594 (60%)* |
Age (years) | 62.9 (9.2) | 63.7 (9.0) |
Weight (kg) | 85.0 (15.4) | 85.9 (16.4) |
Height (m) | 1.7 (0.1) | 1.7 (0.1) |
Right knee | 390 (97%) | n/a2 |
Kellgren and Lawrence grade ≥2 | 287 (71%) | 539 (78%)* |
Primarily lateral tibiofemoral OA | 62 (15%) | 110 (16%) |
Baseline WOMAC pain score | 3.3 (3.4) | 4.1 (3.9)* |
Baseline WOMAC pain score = 0 | 109 (27%) | 189 (24%) |
Change in WOMAC pain score | 0.0 (3.0) | -0.3 (3.4) |
Change in WOMAC pain score = 0 | 102 (25%) | 174 (24%) |
Total knee BML volume (baseline; cm3) | 2.6 (2.7) | n/a |
Total knee BML volume (change; cm3) | -0.2 (2.1) | n/a |