12. Cheing 2008: Interferential current plus exercise (intervention) versus electroacupuncture plus exercise (control).
| OUTCOME | INTERVENTION | CONTROL | EFFECT ESTIMATE | ||||
| Mean | SD | n | Mean | SD | n | Mean difference (95% CI) | |
| Overall pain (VAS 0‐10) at 4 weeks | 3.4 | 1.9 | 23 | 3.5 | 1.9 | 24 | ‐0.10 [‐1.19, 0.99] |
| Overall pain (VAS 0‐10) at 4 months | 2 | 1.5 | 23 | 2.4 | 2.2 | 24 | ‐0.40 [‐1.47, 0.67] |
| Overall pain (VAS 0‐10) at 7 months | 1.3 | 1.4 | 23 | 1.7 | 2.3 | 24 | ‐0.40 [‐1.48, 0.68] |
| Function (Constant score 0‐100) at 4 weeks | 84.9 | 8.4 | 23 | 86 | 8.2 | 24 | ‐1.10 [‐5.85, 3.65] |
| Function (Constant score 0‐100) at 4 months | 90.2 | 9.7 | 23 | 93.3 | 6 | 24 | ‐3.10 [‐7.73, 1.53] |
| Function (Constant score 0‐100) at 7 months | 95.5 | 4.1 | 23 | 93.8 | 6.4 | 24 | 1.70 [‐1.36, 4.76] |