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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)