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Subject characteristics
| Subject | Control | Knee OA |
| Sex M:F | 7:13 | 8:16 |
| Age (yr) | 52.5 (8.8) | 65.5 (7.2)1 |
| BMI | 23.2 (6.6) | 31.2 (6.1)1 |
| Leg length (cm) | 89.3 (5.6) | 85.1 (5.9)1 |
| Height (cm) | 168.5 (7.5) | 164.1 (7.9) |
| Total KL score | NA | 2.5 (1.1) |
Significant difference between OA group vs control at PWS (P < 0.05). OA: Osteoarthritis; NA: Not available; PWS: Preferred walking speed; KL: Kellgren and Lawrence; BMI: Body mass index.
