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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) | 0.43 [0.23, 0.63] |
| 2 Percentage increase in heart rate | 1 | 343 | Mean Difference (IV, Fixed, 95% CI) | 2.29 [0.44, 4.14] |
| 3 Decrease in oxygen saturation in blood (%) | 1 | 343 | Mean Difference (IV, Fixed, 95% CI) | 0.48 [0.10, 0.86] |
