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Table 5 Associations between bacterial vaginosis and adverse outcomes among all infants, Washington State, 2003-2013, adjusted for maternal age and race (N = 12,340)

From: Bacterial vaginosis and adverse outcomes among full-term infants: a cohort study

  BV exposed BV unexposed RR 95 % CI aRR 95 % CI
N = 2468 N = 9872
n % n %     
Preterm birth 267 10.8 708 7.2 1.51 1.32–1.72 1.55 1.34–1.78
Assisted ventilation at birth 151 6.1 425 4.3 1.42 1.19–1.70 1.45 1.21–1.75
Admission to NICU at birth 213 8.7 519 5.3 1.65 1.42–1.92 1.73 1.47–2.03
Neonatal sepsis 95 3.9 209 2.1 1.82 1.43–2.31 1.86 1.44–2.41
Fetal Mortality 25 1.0 35 0.4 2.86 1.71–4.76 2.79* 1.54–5.05
 2nd trimester 16 0.7 7 0.1 12.22 4.29–34.79 10.42* 3.55–30.61
 3rd trimester 9 0.4 28 0.3 1.49 0.65–3.40 1.31* 0.55–3.11
Infant mortality 21 0.9 45 0.5 1.89 1.12–3.15 1.61 0.90–2.90
  1. BV bacterial vaginosis, RR risk ratio, aRR adjusted risk ratio, CI confidence interval, NICU neonatal intensive care unit
  2. *further adjusted for presence of a maternal comorbidity (hypertension, diabetes, and/or pre-eclampsia)