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Association of perinatal factors with bronchopulmonary dysplasia (BPD) severity
| Variables |
Severe versus mild BPD |
Moderate versus mild BPD |
||
|---|---|---|---|---|
| OR | 95% CI | OR | 95% CI | |
| Birth weight | 1.23/100g | 1.19–1.28 | 1.04/100g | 1.02–1.06 |
| Gestational age | 1.54/week | 1.43–1.67 | 1.08/week | 0.93–1.09 |
| Male sex | 1.1 | 0.9–1.3 | 1.2 | 1.0–1.3 |
| 1 min Apgar score | 1.32/point | 1.22–1.41 | 1.01/point | 0.94–1.06 |
| 5 min Apgar score | 1.33/point | 1.23–1.45 | 1.06/point | 0.98–1.15 |
