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. 2020 Aug 26;13:2171–2179. doi: 10.2147/JPR.S256950

Table 1.

Response Rate of WOMAC Index in EA and MA Group

Outcome Intention-to-Treat
EA Group
(n=28)
MA Group
(n=30)
P value Risk Difference
(95% CI)
Effective, n (%) 12 (43) 9
(30)
0.309 1.75 (0.59 to 5.16)
Non-effective,n (%) 16 (57) 21
(70)
Between-group difference (95% CI) 0.412 (0.402 to 0.421)

Abbreviations: EA group, electro-acupuncture group; MA group, manual acupuncture group.