Table 1.
Demographic and clinical characteristics of the participants at recruitment.
| Variable | All population | MB group | GS group | P value (t-test or ANOVA) |
|---|---|---|---|---|
| Female (n) | 80 | 38 | 42 | Chi-square = 0.03; P = 0.87 |
| Male (n) | 32 | 17 | 15 | |
| Age (years) (mean ± standard deviation) | 59.2 ± 13 | 58.7 ± 12.5 | 59.5 ± 13.7 | t = 0.21; P = 0.4 |
| Height (cm) (mean ± standard deviation) | 163.4 ± 7.9 | 163.4 ± 8.5 | 162.7 ± 7.4 | t = 0.32; P = 0.37 |
| Body mass (kg) (mean ± standard deviation) | 79.8 ± 15.1 | 80 ± 14.1 | 76.1 ± 16 | t = 0.1; P = 0.46 |
| BMI (kg/cm2) (mean ± standard deviation) | 29.9 ± 4.7 | 30.0 ± 1.0 | 29.9 ± 0.8 | t = 0.08; P = 0.46 |
| Smoking (n) | 10 | 6 | 4 | Chi-square = 0.12; P = 0.7 |
| Manual occupation (n) | 30 | 16 | 14 | Chi-quadro = 0.21; P = 0.64 |
| Right side (n) | 96 | 48 | 48 | Chi-square = 0.43; P = 0.512 |
| Left side (n) | 92 | 44 | 48 | Chi-square = 0.01; P = 0.90 |
| Bilateral side (n) | 76 | 38 | 38 | Chi-square = 0.15; P = 0.70 |
| Range of motion (ROM) of knee flexion (mean ± standard deviation) | 112.6 ± 16.4 | 113.9 ± 15.5 | 111.4 ± 17.4 | t = −0.57; P = 0.29 |
Statistical analysis of the differences between the two groups.
Significance value of P <0.05.