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Table 4 Crude and adjusted odds ratios (OR) with 95% confidence intervals (CI) for the association between the interval between rupture of membranes and delivery, and neonatal mortality and cerebral palsy

From: Prelabor rupture of membranes and the association with cerebral palsy in term born children: a national registry-based cohort study

 Intermediate intervala vs. reference groupProlonged intervalb vs. reference group
Neonatal mortalityOR95% CIOR95% CI
Unadjusted1.621.07–2.451.110.66–1.88
Adjusted for
 Maternal age1.631.07–2.461.110.66–1.88
 Parity1.601.05–2.431.070.63–1.81
 Any diagnosis before pregnancy1.621.07–2.441.100.65–1.86
 Any diagnosis during pregnancy1.621.07–2.451.110.66–1..88
 Thyroid disorder1.621.07–2.451.110.66–1.87
 Sex1.611.06–2.441.110.66–1.87
 Gestational age1.601.06–2.421.100.65–1.85
 Birth weight1.601.06–2.421.070.63–1.80
Cerebral palsy
Unadjusted1.160.83–1.611.611.19–2.18
Adjusted for
 Maternal age1.160.84–1.621.611.19–2.18
 Parity1.060.76–1.481.491.10–2.03
 Any diagnosis before pregnancy1.160.83–1.611.601.18–2.17
 Any diagnosis during pregnancy1.160.83–1.611.611.19–2.18
 Thyroid disorder1.160.83–1.611.611.19–2.18
 Sex1.150.83–.611.601.18–2.17
 Gestational age1.150.83–1.611.601.18–2.16
 Birth weight1.150.82–1.591.551.15–2.10
  1. a12–24 h between prelabor rupture of membranes (PROM) and delivery; b > 24 h between PROM and delivery