Basic demographic characteristics of the 38 patients with knee OA and 38 controls
| Characteristic | OA (n = 38) | Controls (n = 38) | p Value |
|---|---|---|---|
| x Ray imaging of the knee joints of control subjects was, for ethical reasons, not performed. | |||
| K-L, Kellgren-Lawrence. | |||
| Age (years) | 64.1 (10.1) | 58.3 (9.1) | <0.05 |
| Sex (M/F) | 13/25 | 15/23 | NS |
| OA grade (K-L) | |||
| I | 2 | ||
| II | 18 | ||
| III | 14 | ||
| IV | 4 | ||