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
Maternal GBS colonization (yes vs. noa)
21.52
7.03–65.85
0.001