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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Cry time (s) | 1 | 40 | Mean Difference (IV, Fixed, 95% CI) | ‐17.0 [‐75.00, 41.00] |
| 2 Heart rate (bpm) | 1 | 40 | Mean Difference (IV, Fixed, 95% CI) | ‐11.88 [‐19.40, ‐4.36] |
| 3 Oxygen saturation (%) | 1 | 40 | Mean Difference (IV, Fixed, 95% CI) | ‐0.17 [‐1.44, 1.10] |
