Comparison of the Efficacy between Conventional Moxibustion and Smoke-Free Moxibustion on Knee Osteoarthritis: A Randomized Controlled Trial
Table 2
Outcome measurements during the entire study.
Outcome Measure
CM(n=69)
SM(n=69)
Mean Difference
P Value
(95% CI)
Baseline
WOMAC subscale score
Pain
7.4(3.4)
7.6(2.9)
-0.2(-1.3 to1)
0.81
Stiffness
1.6(1.6)
1.6(1.6)
0(-0.6 to 0.6)
0.98
Function
25.2(11.8)
22.9(12.7)
2.3(-2.0 to 6.7)
0.29
VAS score
4.1(1.4)
4.0(1.4)
0.1(-0.4 to 0.6)
0.62
2 week
WOMAC subscale score
Pain
5.8(3.7)
6.2(3.1)
-0.4(-1.6 to 0.8)
0.53
Stiffness
1.2(1.5)
1.3(1.4)
-0.1(-0.5 to 0.5)
0.94
Function
18.9(11.3)
18.0(11.1)
0.9(-3.0 to 5.0)
0.63
VAS score
3.0(1.4)
3.1(1.5)
-0.1(-0.6 to 0.4 )
0.61
4 week
WOMAC subscale score
Pain
4.1(3.0)
4.2(2.9)
-0.1(-1.2 to 0.9)
0.76
Stiffness
0.7(1.2)
0.8(1.1)
-0.1(-0.5 to 0.3 )
0.71
Function
15.1(10.8)
12.9(9.2)
2.2(-1.3 to 5.8)
0.22
VAS score
2.2(1.3)
2.1(1.3)
0.1(-0.3 to 0.6)
0.60
8 week
WOMAC subscale score
Pain
4.1(3.1)
4.2(3.0)
-0.1(-1.2 to 0.1)
0.81
Stiffness
0.7(1.2)
0.6(1.0)
0.1(-0.3 to 0.4)
0.79
Function
15.1(10.8)
12.7(8.9)
2.4(-1.1 to 5.9)
0.18
VAS score
2.2(1.2)
2.1(1.2)
0.1(-0.3 to 0.6)
0.62
12 week
WOMAC subscale score
Pain
4.1(3.2)
4.0(2.8)
0.1(-1.0 to 1.2)
0.86
Stiffness
0.7(1.3)
0.6(1.0)
0.1(-0.3 to 0.5)
0.73
Function
15.6(10.6)
12.4(9.3)
3.2(-0.2 to 6.9)
0.06
VAS score
2.1(1.2)
2.1(1.2)
0(-0.4 to 0.5)
0.83
Abbreviations: SM, Smoke-Free Moxibustion; CM, Conventional Moxibustion; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index; VAS, Visual Analog Scale. CM and SM group data are expressed as mean (SD) unless stated otherwise.
