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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Cry time (min) | 1 | 12 | Mean Difference (IV, Fixed, 95% CI) | ‐1.58 [‐5.81, 2.65] |
| 2 Heart rate (bpm) | 1 | 12 | Mean Difference (IV, Fixed, 95% CI) | ‐7.89 [‐41.37, 25.59] |
| 3 Oxygen saturation (%) | 1 | 12 | Mean Difference (IV, Fixed, 95% CI) | 2.51 [‐0.62, 5.64] |
| 4 Respiratory rate (rpm) | 1 | 12 | Mean Difference (IV, Fixed, 95% CI) | ‐5.83 [‐21.41, 9.75] |
