| Outcomes | No./total (%) | Absolute difference, % (95% CI) | Odds ratio (95% CI) | P value | |
|---|---|---|---|---|---|
| Liberal threshold | Restrictive threshold | ||||
| Death or neurodevelopmental impairment by 24 mo | 200/450 (44.4) | 205/478 (42.9) | 1.6 (−4.8 to 7.9) | 1.05 (0.80-1.39) | .72 |
| Death by 24 mo | 38/460 (8.3) | 44/491 (9.0) | −0.7 (−4.3 to 2.9) | 0.91 (0.58-1.45) | .70 |
| Cognitive deficit | 154/410 (37.6) | 148/430 (34.4) | 3.1 (−3.3 to 9.6) | 1.12 (0.83-1.51) | .47 |
| Cerebral palsy | 18/419 (4.3) | 25/443 (5.6) | −1.3 (−4.2 to 1.5) | 0.75 (0.40-1.40) | .37 |
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