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Table 1 Identification of variables confounded with acute chorioamnionitis status (pathology)

From: Association of a placental Interleukin-6 genetic variant (rs1800796) with DNA methylation, gene expression and risk of acute chorioamnionitis

 

aCA

Non-aCA

p-value*

N

72

197

 

Maternal age (yrs); range (mean)

19.6–44.0 (32.0)

17.0–43.5 (33.0)

ns

GA at delivery (wks); range (mean)

20.0–40.0 (28.0)

19.4–41.9 (36.0)

4.32e-15

Birth weight (SD); range (mean)

− 3.10 - 3.05 (− 0.14)

−3.13 - 3.23 (0.04)

ns

Sex; M/F

38/34

103/94

ns

  1. *p-values are calculated by comparison of aCA cases to non-aCA cases using Wilcoxon-Mann-Whitney rank sum test for continuous variables, Fisher’s exact test for fetal sex. ns = p > 0.05