| Mean (SD) | Range | n (%) | |
| Sex | |||
| Female | 48 (76) | ||
| Male | 15 (24) | ||
| Age, years | 60 (7.5) | 45–79 | |
| Body mass index, kg/m2 | 30.2 (6.5) | 22.4–56.6 | |
| Duration of symptoms, years | 5.7 (7.6) | 1–47 | |
| WOMAC-pain score | 11.2 (6.1) | 0–32 | |
| WOMAC-stiffness score | 4.0 (1.9) | 0–8 | |
| WOMAC-physical function score | 29.7 (14.1) | 4–56 | |
| Walking time (s) | 97.5 (35.6) | 49.7–97.5 | |
| GUG time (s) | 13.6 (7.0) | 6.9–43.0 | |
| Varus–valgus range of motion (°) | |||
| Left knee | 3.49 (1.72) | 0.38–8.01 | |
| Right knee | 2.98 (1.74) | 0.75–8.21 | |
| Mid-stance varus–valgus position (°) | |||
| Left knee | 3.02 (1.79) | −2.84 to 7.16 | |
| Right knee | 1.37 (2.72) | −6.39 to 6.12 | |
| Isokinetic quadriceps strength, Nm/kg | |||
| Left knee | 0.97 (0.61) | 0.08–2.78 | |
| Right knee | 1.02 (0.59) | 0.09–2.66 | |
| Isokinetic hamstring strength, Nm/kg | |||
| Left knee | 0.65 (0.34) | 0.04–1.54 | |
| Right knee | 0.69 (0.35) | 0.08–1.90 | |
| Muscle strength averaged L/R and Ex/Fl | 0.83 (0.45) | 0.08–1.98 | |
| K&L grade, no of knees | |||
| Right (n = 62) | |||
| Grade 0 | 0 | ||
| Grade 1 | 45 (71) | ||
| Grade 2 | 10 (16) | ||
| Grade 3 | 6 (11) | ||
| Grade 4 | 1 (2) | ||
| Left (n = 63) | |||
| Grade 0 | 2 (3) | ||
| Grade 1 | 39 (62) | ||
| Grade 2 | 9 (14) | ||
| Grade 3 | 11 (18) | ||
| Grade 4 | 2 (3) |
GUG, Get Up and Go test; K&L grade, Kellgren and Lawrence score of knee OA; WOMAC, Western Ontario and MacMasters Universities Osteoarthritis Index.