Table 1.
Characteristic | Control n=406 |
Case (radiographic and pain progression) n=194 |
|
---|---|---|---|
Age | 61.3 (8.9) | 62.0 (8.8) | |
| |||
Sex | |||
Male | 163 (40%) | 84 (43%) | |
Female | 243 (60%) | 110 (57%) | |
| |||
BMI | 30.7 (4.8) | 30.7 (4.8) | |
| |||
History of knee injury* | |||
No | 260 (64%) | 125 (65%) | |
Yes | 145 (36%) | 68 (35%) | |
| |||
Baseline Kellgren Lawrence grade (KLG) | |||
1 | 51 (13%) | 24 (12%) | |
2 | 222 (55%) | 84 (43%) | |
3 | 133 (33%) | 86 (44%) | |
| |||
Baseline WOMAC Pain score; mean (SD) | 13.0 (16.7) | 10.2 (13.0) | |
| |||
Baseline JSW; mean (SD) | 3.9 (1.1) | 3.8 (1.4) |
Ever injured knee badly enough to limit ability to walk for at least two days