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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Non‐healing of the fissure | 1 | 14 | Odds Ratio (M‐H, Fixed, 95% CI) | 2.4 [0.16, 34.93] |
| 2 Headache | 1 | 23 | Odds Ratio (M‐H, Fixed, 95% CI) | 3.5 [0.53, 23.14] |
