Table 9.

Results of Univariate and Multivariate Analyses of Factors Associated With Death Before Discharge

Variable (All Yes/No Unless Stated)(n)Univariate AnalysisMultivariate Analysis (Variables Known
at Birth)
n = 781
Multivariate Analysis
(All Variables)
n = 712
OR (95% CI)PValueOR (95% CI)P ValueOR (95% CI)P Value
Known at birth
 Gestation (per wk)(811).47 (.38–.57)<.0005.47 (.38–.58)<.0005
 Birth weight (per 100 g)(811).60 (.53–.68)<.0005
 Birth weight for gestation (per 100 g)(811).68 (.59–.79)<.0005.68 (.58–.79)<.0005
 Multiple(811)1.39 (1.01–1.90).0441.55 (1.08–2.22).018
 Male sex(811)1.31 (.98–1.74).0661.41 (1.03–1.94).0331.64 (1.10–2.36).008
 Any obstetric problems(804).78 (.58–1.05).100
  Preeclampsia(798)1.63 (.71–3.75).250
  PROM (>24 h)(798).68 (.49–.95).023
  Cervical suture(798).57 (.34–.97).040
  APH(798)1.33 (.97–1.84).081
  Chorioamnionitis(798).47 (.33–.68)<.0005.49 (.32–.73).001.51 (.32–.82).005
 Antenatal steroid(800).38 (.28–.53)<.0005.50 (.35–.73)<.0005.57 (.38–.85).006
 Tocolytics(792).57 (.41–.79).001.66 (.45–.97).034
 Maternal age (per y)(801).98 (.96–1.01).460
 Ethnic group = white(811)1.13 (.81–1.59).130
Postnatal variables
 Cesarean vs vaginal delivery(805)1.07 (.73–1.58).720
 HR at 5 min <100 bpm(811)3.21 (1.95–5.28)<.00051.99 (1.07–3.67).029
 Admission temperature ≥35°C(757).31 (.23–.43)<.0005.58 (.39–.85).006
 CRIB score (per point; 9)(738)1.35 (1.29–1.42)<.00051.31 (1.25–1.38)<.0005
 Postnatal transfer(804)1.32 (.87–2.01).190
 Surfactant therapy(811).95 (.64–1.41).790
  • OR indicates odds ratio of dying; APH, antepartum hemorrhage.