Research Article

Comparison of the Efficacy between Conventional Moxibustion and Smoke-Free Moxibustion on Knee Osteoarthritis: A Randomized Controlled Trial

Table 3

PGA at follow-up, values are no. (%) of participants unless stated otherwise.

Outcome MeasureCM(n=69)SM(n=69)P Value

2 week
Much improved12(18)5(7)0.14
Minimally improved41(59)50(72)
No change14(20)10(15)
Minimally worse00
Much worse00

Missing data2(3)4(6)/

4 week
Much improved21(30)24(35)0.33
Minimally improved36(52)37(53)
No change6(9)2(3)
Minimally worse00
Much worse00

Missing data4(6)2(3)/

8 week
Much improved19(27)18(26)0.36
Minimally improved40(58)43(62)
No change4(6)1(2)
Minimally worse00
Much worse00

Missing data6(9)1(2)/

12 week
Much improved21(30)17(24)0.27
Minimally improved38(55)44(64)
No change4(6)1(2)
Minimally worse00
Much worse00

Missing data6(9)7(10)/

Abbreviations: PGA, patient global assessment; SM, smoke-free moxibustion; CM, conventional moxibustion.