Table 2.
Change in WOMAC Function and VAS Pain Scores in EA and MA Group
| Outcome | EA Group (n=28) |
MA Group (n=30) |
Between-Group Difference |
|---|---|---|---|
| WOMAC function, mean (95% CI) | |||
| Week 4 | 15.32 (11.63 to 19.01) | 16.67 (13.63 to 19.71) | −1.35 (−6.17 to 3.48) |
| Week 8 | 11.39 (8.67 to 14.11) | 14.86 (11.97 to 17.74) | −3.46 (−7.66 to 0.73) |
| Week 12 | 10.04 (7.42 to 12.66) | 11.07 (8.59 to 13.55) | −1.03 (−4.85 to 2.79) |
| Week 16 | 9.39 (6.46 to 12.26) | 12.33 (9.14 to 15.31) | −2.94 (−7.30 to 1.42) |
| VAS score (0–100), mean (95% CI) | |||
| Week 4 | 39.21 (24.44 to53.98) | 40.87 (24.79 to 56.95) | −1.66 (−3.96 to 0.64) |
| Week 8 | 26.04(12.20 to 39.88) | 31.00 (13.71 to 44.71) | −4.96 (−9.96 to 0.04) |
| Week 12 | 21.83 (6.19 to 37.47) | 25.83 (8.60 to 43.06) | −4.00 (−8.47 to 0.47) |
| Week 16 | 21.82 (6.17 to 37.46) | 23.86 (3.86 to 43.86) | −2.04 (−5.08 to 1.00) |
Abbreviations: EA group, electro-acupuncture group; MA group, manual acupuncture group; WOMAC, Western Ontario and McMaster Universities Arthritis Index; VAS, visual analogue scale/score.