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| Variable | LIPUS + Therapeutic exercise | Sham LIPUS + Therapeutic exercise |
| n | 13 | 13 |
| Gender (male/female) | 3/10 | 2/10 |
| Age (years) | 63.5 ± 8.6 | 56.5 ± 7.5 |
| Height (cm) | 158.3 ± 8.7 | 158.8 ± 6.0 |
| Weight (kg) | 66.2 ± 9.7 | 60.5 ± 13.9 |
| BMI (kg/m2) | 26.5 ± 4.3 | 24.0 ± 5.2 |
| Kellgren & Lawrence class rating | ||
| Grade Ⅱ | 13 (100%) | 13 (100%) |
Data are expressed as mean ± SD. LIPUS: low-intensity pulsed ultrasound; BMI: body mass index; SD: standard deviation.
