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| Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
|---|---|---|---|---|
| 1 Ventilator‐free days (28‐30 days), INO vs control | 5 | 804 | Mean Difference (IV, Fixed, 95% CI) | ‐0.57 [‐1.82, 0.69] |
