Skip to main content

Table 3 Comparisons of WOMAC, mean VAS, SF-12v2, knee ROM, and muscle strength between “Thermal gun” and “Heat pack” groups

From: A randomized controlled trial on the effect of focal thermal therapy at acupressure points treating osteoarthritis of the knee

Variables Group Thermal gun Heat pack p value
WOMAC Baseline (Mean ± SD) Total 52.47 ± 17.58 48.39 ± 16.06 0.30
Pain 11.11 ± 3.62 10.05 ± 3.34 0.19
Stiffness 4.50 ± 2.06 3.74 ± 2.04 0.11
Function limitation 36.84 ± 13.42 34.61 ± 11.73 0.44
After 8 sessions’ intervention (Mean ± SD) Total 42.71 ± 16.14 47.55 ± 13.74 0.27
Pain 9.52 ± 3.50 9.75 ± 2.97 0.81
Stiffness 3.58 ± 1.80 3.35 ± 1.95 0.67
Function limitation 29.61 ± 11.95 34.45 ± 10.87 0.15
Mean VAS Baseline   4.51 ± 2.39 4.27 ± 2.15 0.65
  After 8 sessions’ intervention   4.12 ± 2.05 3.85 ± 1.80 0.63
SF-12v2 Baseline PCS 29.07 ± 6.36 30.20 ± 8.65 0.54
   MCS 36.25 ± 9.21 35.99 ± 10.56 0.91
  After 8 sessions’ intervention PCS 32.27 ± 5.28 30.38 ± 4.76 0.25
   MCS 38.55 ± 7.76 36.52 ± 7.60 0.41
Knee ROM Baseline Extension 14.61± 5.82 11.03 ± 2.80 < 0.01*
   Flexion 111.72 ± 14.62 110.05 ± 14.58 0.62
  After 8 sessions’ intervention Extension 11.27 ± 4.85 9.90 ± 1.75 0.16
   Flexion 113.50 ± 12.52 119.50 ± 11.01 0.09
Muscle strength Baseline Quadriceps 4.42 ± 0.36 4.67 ± 0.37 < 0.01*
   Hamstring 4.66 ± 0.40 4.88 ± 0.22 < 0.01*
  After 8 sessions’ intervention Quadriceps 4.63 ± 0.39 4.68 ± 0.41 0.69
   Hamstring 4.81 ± 0.31 4.88 ± 0.28 0.42
  1. * p < 0.05