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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Revised NFCS | 1 | 343 | Mean Difference (IV, Fixed, 95% CI) | 0.4 [0.19, 0.61] |
| 2 Percentage increase in heart rate | 1 | 343 | Mean Difference (IV, Fixed, 95% CI) | 0.57 [‐1.43, 2.57] |
| 3 Decrease in oxygen saturation in blood (%) | 1 | 343 | Mean Difference (IV, Fixed, 95% CI) | 0.30 [‐0.07, 0.67] |
