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Table 4 Multivariate logistic regression analysis of risk factors associated with GBS colonization among infants

From: Group B streptococcal colonization in mothers and infants in western China: prevalences and risk factors

Variables OR 95% CI P value
Membrane rupture (≥12 h vs. < 12 hrsa) 125.75 30.72–514.76 < 0.001
Length of labor (≥4 h vs. <4hrsa) 10.64 3.16–35.86 < 0.001
Maternal GBS colonization (yes vs. noa) 21.52 7.03–65.85 0.001
  1. OR odds ratio, 95%CI 95% confidence interval
  2. aindicates the reference group in the calculation of OR