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Clinical characteristics of patients with knee osteoarthritis (OA)
| Sex (n) | Female | 25 |
| Male | 5 | |
| Age / years (Mean ± SD) | 65.7 ± 9.2 | |
| OA grade (n) | 1 | 5 |
| 2 | 14 | |
| 3 | 9 | |
| 4 | 2 | |
| Duration of OA / years (Mean ± SD) | 6.3 ± 5.8 | |
| Dominance (n) | Right | 30 |
| Left | 0 | |
| Affected side (n) | Right | 14 |
| Left | 16 | |
| Pain (n) | Yes | 28 |
| No | 2 | |
| Crepitation (n) | Yes | 29 |
| No | 1 |
