Table 3 Demographic and baseline characteristics
Parameters | Statistics | TII collagen (N = 34) | G + C (N = 33) | Placebo (N = 34) | Total (N = 101) | p-value |
|---|---|---|---|---|---|---|
Age (years) | Mean ± SD | 50.94 ± 7.13 | 51.48 ± 6.44 | 48.71 ± 7.31 | 50.37 ± 7.01 | 0.2272 |
BMI (kg/m2) | Mean ± SD | 24.79 ± 2.62 | 25.30 ± 3.03 | 25.24 ± 2.34 | 25.11 ± 2.66 | 0.6857 |
Joint pain history (months) | Mean ± SD | 13.53 ± 5.98 | 13.52 ± 7.54 | 12.24 ± 6.94 | 13.09 ± 6.80 | 0.6721 |
X-ray grade | Grade-II, n (%) | 20 (58.82%) | 20 (60.61%) | 20 (58.82%) | 60 (59.41%) | 0.9855 |
Grade-III, n (%) | 14 (41.18%) | 13 (39.39%) | 14 (41.18%) | 41 (40.59%) | ||
Index knee pain VAS score (mm) | Mean ± SD | 72.65 ± 9.63 | 70.30 ± 7.28 | 71.18 ± 8.80 | 71.39 ± 8.61 | 0.5338 |
WOMAC total score | Mean ± SD | 86.06 ± 7.57 | 86.67 ± 7.21 | 86.45 ± 6.46 | 86.39 ± 7.03 | 0.9386 |
WOMAC—Pain score | Mean ± SD | 14.38 ± 2.07 | 14.88 ± 1.87 | 14.50 ± 1.91 | 14.58 ± 1.95 | 0.5573 |
WOMAC—Stiffness score | Mean ± SD | 5.91 ± 1.00 | 6.42 ± 0.90 | 6.26 ± 0.90 | 6.20 ± 0.95 | 0.0754 |
WOMAC—physical function score | Mean ± SD | 65.76 ± 5.79 | 65.36 ± 5.99 | 65.47 ± 4.77 | 65.53 ± 5.48 | 0.9538 |
EQ-5D – mobility score | Mean ± SD | 2.97 ± 0.63 | 3.15 ± 0.57 | 3.12 ± 0.73 | 3.08 ± 0.64 | 0.4749 |
EQ-5D—self-care score | Mean ± SD | 2.74 ± 0.86 | 3.00 ± 0.66 | 2.97 ± 0.83 | 2.90 ± 0.79 | 0.3269 |
EQ-5D—usual activities score | Mean ± SD | 3.09 ± 0.71 | 3.06 ± 0.79 | 3.35 ± 0.65 | 3.17 ± 0.72 | 0.1859 |
EQ-5D—Pain or discomfort score | Mean ± SD | 3.24 ± 0.70 | 3.12 ± 0.82 | 3.32 ± 0.47 | 3.23 ± 0.68 | 0.4758 |
EQ-5D—Anxiety or depression score | Mean ± SD | 2.79 ± 0.88 | 2.79 ± 0.89 | 3.09 ± 0.67 | 2.89 ± 0.82 | 0.2318 |
EQ-5D—VAS score | Mean ± SD | 55.09 ± 16.00 | 51.82 ± 16.81 | 56.62 ± 13.69 | 54.53 ± 15.52 | 0.4387 |