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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Anagesic effect described as satisfactory (not clear when measured) | 1 | 60 | Risk Ratio (M-H, Fixed, 95% CI) | 11.0 [0.64, 190.53] |
| 2 Mean blood loss at delivery (ml) | 1 | 60 | Mean Difference (IV, Fixed, 95% CI) | 25.70 [−9.83, 61.23] |
