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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Average duration of ventilation related to weaning | 9 | Mean Difference (IV, Random, 95% CI) | Subtotals only | |
| 1.1 COPD | 4 | 355 | Mean Difference (IV, Random, 95% CI) | ‐1.43 [‐3.12, 0.26] |
| 1.2 Mixed | 5 | 290 | Mean Difference (IV, Random, 95% CI) | 0.17 [‐4.01, 4.35] |
