Table 2 Comparisons of WOMAC, mean VAS, SF-12v2, knee ROM, and muscle strength between groups pre and post 8 sessions’ intervention
Variables | Group | Baseline (Mean ± SD) | After 8 sessions’ intervention (Mean ± SD) | p value | |
|---|---|---|---|---|---|
WOMAC | Thermal gun | Total | 52.45 ± 17.76 | 42.71 ± 16.14 | 0.02* |
Pain | 11.11 ± 3.62 | 9.52 ± 3.50 | 0.07 | ||
Stiffness | 4.50 ± 2.06 | 3.58 ± 1.80 | 0.06 | ||
Function limitation | 36.84 ± 13.42 | 29.61 ± 11.95 | 0.02* | ||
Heat pack | Total | 48.39 ± 16.06 | 47.55 ± 13.74 | 0.84 | |
Pain | 10.05 ± 3.34 | 9.75 ± 2.97 | 0.74 | ||
Stiffness | 3.74 ± 2.04 | 3.35 ± 1.95 | 0.49 | ||
Function limitation | 34.61 ± 11.73 | 34.45 ± 10.87 | 0.96 | ||
Mean VAS | Thermal gun |  | 4.51 ± 2.39 | 4.12 ± 2.05 | 0.48 |
|  | Heat pack |  | 4.27 ± 2.15 | 3.85 ± 1.80 | 0.46 |
SF-12v2 | Thermal gun | PCS | 29.07 ± 6.36 | 32.27 ± 5.28 | 0.04* |
|  |  | MCS | 36.25 ± 9.21 | 38.55 ± 7.76 | 0.31 |
|  | Heat pack | PCS | 30.20 ± 8.65 | 30.38 ± 4.76 | 0.92 |
|  |  | MCS | 35.99 ± 10.56 | 36.52 ± 7.60 | 0.86 |
Knee ROM | Thermal gun | Extension | 14.61 ± 5.82 | 11.27 ± 4.85 | 0.01* |
|  |  | Flexion | 111.72 ± 14.62 | 113.50 ± 12.52 | 0.59 |
|  | Heat pack | Extension | 11.03 ± 2.80 | 9.90 ± 1.75 | 0.07 |
|  |  | Flexion | 110.05 ± 14.58 | 119.50 ± 11.01 | 0.02* |
Muscle strength | Thermal gun | Quadriceps | 4.42 ± 0.36 | 4.63 ± 0.39 | 0.02* |
|  |  | Hamstring | 4.66 ± 0.40 | 4.81 ± 0.31 | 0.09 |
|  | Heat pack | Quadriceps | 4.67 ± 0.37 | 4.68 ± 0.41 | 0.97 |
|  |  | Hamstring | 4.88 ± 0.22 | 4.88 ± 0.28 | 0.92 |