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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1.1 Peak cough flow | 1 | 52 | Mean Difference (IV, Fixed, 95% CI) | 6.00 [‐33.43, 45.43] |
| 1.2 Maximal insufflation capacity | 1 | 52 | Mean Difference (IV, Fixed, 95% CI) | 0.14 [‐0.13, 0.41] |
