Risk factors for group B streptococcal disease in neonates of mothers with negative antenatal testing
- PMID: 27853322
- PMCID: PMC5280520
- DOI: 10.1038/jp.2016.201
Risk factors for group B streptococcal disease in neonates of mothers with negative antenatal testing
Abstract
Objective: The aim of this study was to identify risk factors for early-onset group B Streptococcus (EOGBS) disease in neonates of mothers with negative antenatal screening.
Study design: We performed a retrospective cohort study of neonates born to mothers with negative antenatal GBS screening between 2002 and 2012. Our primary outcome was EOGBS infection. We used multivariable logistic regression to assess factors associated with EOGBS.
Results: EOGBS was confirmed in 492 of the 179 818 neonates that met the study inclusion criteria. Risk factors for EOGBS included black race (reference: white, odds ratio (OR) =1.81 (95% confidence interval: 1.43, 2.31)), maternal age <18 years (reference: >35 years, OR=2.63 (1.54, 4.51)) and maternal age 18 to 35 years (reference: >35 years, OR=1.94 (1.30, 2.88)).
Conclusion: Maternal age <18 years and black race were the strongest predictors of EOGBS. Further research investigating contributors to the discordance between screening results and neonatal outcomes in these populations is needed.
References
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- K24 HD058735/HD/NICHD NIH HHS/United States
- T32 HD043029/HD/NICHD NIH HHS/United States
- R01 HD057956/HD/NICHD NIH HHS/United States
- HHSN275201000003I/HD/NICHD NIH HHS/United States
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- HHSN272201500006C/AI/NIAID NIH HHS/United States
- HHSN275201000003C/HD/NICHD NIH HHS/United States
- R25 HD076475/HD/NICHD NIH HHS/United States
- K12 HD043494/HD/NICHD NIH HHS/United States
- R21 HD080606/HD/NICHD NIH HHS/United States
- T32 HD043728/HD/NICHD NIH HHS/United States
- UL1 TR001117/TR/NCATS NIH HHS/United States
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