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Risk of bias assessment for the 35 relevant randomized controlled trials in neonates
| Domains | Risk of bias assessments – n (%) | ||
|---|---|---|---|
| High | Unclear | Low | |
| Sequence generation | 1 (3%) | 21 (60%) | 13 (37%) |
| Allocation concealment | 1 (3%) | 19 (54%) | 15 (43%) |
| Blinding | 7 (20%) | 9 (26%) | 19 (54%) |
| Incomplete data | 3 (9%) | 6 (17%) | 26 (74%) |
| Selective reporting | 13 (37%) | 9 (26%) | 13 (37%) |
| Other sources of bias | 11 (31%) | 17 (49%) | 7 (20%) |
