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Table 1 Characteristics of the included pregnant women grouped according to GBS infection

From: Biomarkers for a histological chorioamnionitis diagnosis in pregnant women with or without group B streptococcus infection: a case-control study

  GBS infection Non-GBS infection p value
No. 59 312  
Age 29 (3.31) 29.57 (3.55) 0.256
Median (Min-Max) 29 (21–36) 29 (22–40)  
Parity
 1 40 216  
 2 18 85  
 3 1 11 0.698
Pathologic jaundice 10 22 0.013
Non-reassuring fetal status 10 34 0.187
Birth asphyxia 6 20 0.300
Low birth weight infant 3 10 0.472
Postpartum hemorrhage 4 12 0.309
Premature rupture of membrane 8 19 0.043
Preterm birth 6 20 0.300
HCA 8 11 0.001
Puerperal infection 7 18 0.087
sICAM-1(ng/L) 354.5 (323.9–368.9) 291.3 (281.3–298.4) < 0.001
IL-8(ng/L) 3573 (3287–3743) 1075.2 (1024.3–1276.4) < 0.001
TNF-α (ng/L) 47.9 (45.8–50.1) 29.7 (28.7–30.8) < 0.001
WBC(×109) 8.72 (7.75–11.34) 8.675 (7.415–11.135) 0.764
Neutrophil ratio (%) 76 (73–83) 77 (73–81) 0.964
CRP (mg/L) 3.5 (2–10) 3.2 (2.5–5) 0.530
  1. Abbreviations: CRP C-reation protein, GBS Group B Streptococcus, HCA Histological chorioamnionitis, IL-8 Interleukin 8, sICAM-1 soluble Intercellular adhesion molecule-1, TNF-α Tumor necrosis factor α, WBC White blood cells