Table 2 Descriptive statistics of the study participants (n = 44)
Variable | Value |
|---|---|
Age (years) | 65.7 (9.3) |
Female, number (%) | 29 (65.9) |
Body mass index (kg/m2) | 29.8 (5.5) |
Duration of symptoms (years) | 13.0 (10.3) |
Pain last week (NRS, range 0–10) | 4.7 (1.9) |
WOMAC, pain (range 0–20) | 8.8 (4.0) |
WOMAC, stiffness (range 0–8) | 4.6 (1.7) |
WOMAC, physical function (range 0–68) | 32.5 (12.7) |
WOMAC, total score (range 0–96) | 45.9 (17.5) |
Muscle strength, (Nm/kg) | 0.88 (0.33) |
Walking speed on the treadmill, (m/s) | 0.74 (0.24) |
KL grade, number (%) | |
 0 (none) | 3 (7.0) |
 1 (doubtful) | 16 (37.2) |
 2 (mild) | 9 (20.9) |
 3 (moderate) | 10 (23.3) |
 4 (severe) | 5 (11.6) |
Self-reported knee instability < 3 months, number (%) | |
 Rarely (1–2 times) | 13 (29.5) |
 Regularly (3–4 times) | 18 (40.9) |
 Very often (>4 times) | 13 (29.5) |