From: Neonatal respiratory morbidity following exposure to chorioamnionitis
Traditional approach | Fetuses-at-risk approachb | |||
---|---|---|---|---|
OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
BPD | BPD or Perinatal mortality | BPD | BPD or Perinatal mortality | |
Crude Model | 5.61 (4.79–6.58) | 2.73 (2.42–3.09) | 8.79 (7.53–10.26) | 4.22 (3.76–4.73) |
Adjusted Modela | 1.34 (1.09–1.66) | 1.23 (1.01–1.50) | 6.25 (5.25–7.44) | 5.18 (4.39–6.11) |
RDS | RDS or Perinatal Mortality | RDS | RDS or Perinatal Mortality | |
Crude Model | 2.62 (2.39–2.87) | 2.45 (2.25–2.68) | 3.75 (3.46–4.07) | 3.43 (3.19–3.70) |
Adjusted Modela | 0.99 (0.87–1.13) | 0.98 (0.86–1.12) | 2.78 (2.54–3.06)> | 2.74 (2.50–3.01) |