Comparison 1.
Acupuncture versus sham procedure
| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Prostatitis symptoms (NIH‐CPSI total) | 3 | 204 | Mean Difference (IV, Fixed, 95% CI) | ‐5.79 [‐7.32, ‐4.26] |
| 1.1 Acupuncture | 2 | 180 | Mean Difference (IV, Fixed, 95% CI) | ‐5.71 [‐7.50, ‐3.91] |
| 1.2 Electroacupuncture | 1 | 24 | Mean Difference (IV, Fixed, 95% CI) | ‐6.0 [‐8.92, ‐3.08] |
| 2 Prostatitis symptoms: pain subscore | 3 | 204 | Mean Difference (IV, Fixed, 95% CI) | ‐2.43 [‐3.21, ‐1.66] |
| 2.1 Acupuncture | 2 | 180 | Mean Difference (IV, Fixed, 95% CI) | ‐2.00 [‐2.90, ‐1.10] |
| 2.2 Electroacupuncture | 1 | 24 | Mean Difference (IV, Fixed, 95% CI) | ‐3.6 [‐5.08, ‐2.12] |
| 3 Prostatitis symptoms: micturition subscore | 3 | 204 | Mean Difference (IV, Fixed, 95% CI) | ‐1.45 [‐1.83, ‐1.06] |
| 3.1 Acupuncture | 2 | 180 | Mean Difference (IV, Fixed, 95% CI) | ‐1.49 [‐1.89, ‐1.08] |
| 3.2 Electroacupuncture | 1 | 24 | Mean Difference (IV, Fixed, 95% CI) | ‐1.1 [‐2.26, 0.06] |
| 4 Prostatitis symptoms: quality of life subscore | 3 | 204 | Mean Difference (IV, Fixed, 95% CI) | ‐2.40 [‐3.09, ‐1.71] |
| 4.1 Acupuncture | 2 | 180 | Mean Difference (IV, Fixed, 95% CI) | ‐2.62 [‐3.37, ‐1.86] |
| 4.2 Electroacupuncture | 1 | 24 | Mean Difference (IV, Fixed, 95% CI) | ‐1.3 [‐1.00, 0.40] |
| 5 Prostatitis symptoms | 2 | 113 | Risk Ratio (M‐H, Random, 95% CI) | 2.49 [0.77, 8.02] |
| 5.1 Acupuncture | 1 | 89 | Risk Ratio (M‐H, Random, 95% CI) | 1.56 [1.09, 2.24] |
| 5.2 Electroacupuncture | 1 | 24 | Risk Ratio (M‐H, Random, 95% CI) | 5.00 [1.63, 15.31] |
| 6 Prostatitis symptoms (NIH‐CPSI total) ‐ medium term | 1 | 91 | Mean Difference (IV, Fixed, 95% CI) | ‐7.36 [‐9.93, ‐4.79] |
| 7 Prostatitis symptoms: pain subscore ‐ medium term | 1 | 91 | Mean Difference (IV, Fixed, 95% CI) | ‐3.25 [‐4.45, ‐2.05] |
| 8 Prostatitis symptoms: micturition subscore ‐ medium term | 1 | 91 | Mean Difference (IV, Fixed, 95% CI) | ‐1.02 [‐1.54, ‐0.50] |
| 9 Prostatitis symptoms: quality of life subscore ‐ medium term | 1 | 91 | Mean Difference (IV, Fixed, 95% CI) | ‐3.07 [‐4.14, ‐2.00] |
| 10 Adverse events | 3 | 204 | Risk Ratio (M‐H, Fixed, 95% CI) | 1.33 [0.51, 3.46] |
| 10.1 Acupuncture | 2 | 180 | Risk Ratio (M‐H, Fixed, 95% CI) | 1.64 [0.58, 4.62] |
| 10.2 Electroacupuncture | 1 | 24 | Risk Ratio (M‐H, Fixed, 95% CI) | 0.33 [0.01, 7.45] |
| 11 Sexual dysfunction | 1 | 89 | Mean Difference (IV, Fixed, 95% CI) | ‐0.5 [‐3.46, 2.46] |
| 12 Urinary symptoms | 2 | 113 | Mean Difference (IV, Fixed, 95% CI) | ‐2.79 [‐4.77, ‐0.82] |
| 12.1 Acupuncture | 1 | 89 | Mean Difference (IV, Fixed, 95% CI) | ‐2.5 [‐4.98, ‐0.02] |
| 12.2 Electroacupuncture | 1 | 24 | Mean Difference (IV, Fixed, 95% CI) | ‐3.30 [‐6.56, ‐0.04] |