Skip to main content
. Author manuscript; available in PMC: 2014 Sep 2.
Published in final edited form as: Am J Reprod Immunol. 2012 Dec 24;69(2):105–123. doi: 10.1111/aji.12046

Table III.

Demographic and clinical characteristics of patients presenting with preterm prelabor rupture of membranes.

Preterm PROM without IAI (n=37) Preterm PROM with IAI (n=37) p
Maternal age (years) 24.0 (20.0-32.5) 30.0 (24.3-37.0) 0.009
Smoking 21.6 (8/37) 22.2 (8/36) NS
Nulliparity 37.8 (14/37) 16.2 (6/37) NS
GA at amniocentesis (weeks) 31.6 (28.9-33.8) 30.6 (28.5-32.7) NS
GA at delivery (weeks) 33.0 (31.1-34.5) 30.9 (28.7-33.5) 0.002
Birthweight (g) 2010 (1655-2265) 1740 (1380-2380) NS
Birthweight <10th percentile 0 (0/37) 2.8 (1/36) NS

Values are expressed as percentage (number) or median (interquartile range).

PROM, prelabor rupture of membranes; GA, gestational age; IAI, intra-amniotic infection/inflammation; NS, not significant.