. Author manuscript; available in PMC: 2011 Sep 16.

Published in final edited form as: J Matern Fetal Neonatal Med. 2008 Dec;21(12):902–916. doi: 10.1080/14767050802320357

Table III.

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

	Preterm PROM without IAI (n=44)	Preterm PROM with IAI (n=47)	p
Maternal age (years)	24.5 (20-32.8)	30 (23.8-37.5)	0.008
Smoking	18.2 (8/44)	17.8 (8/45)	NS
GA at amniocentesis (weeks)	32.6 (29.4-33.8)	30.4 (28-32.4)	0.02
GA at delivery (weeks)	33.2 (31.4-34.4)	30.7 (28.7-33)	<0.001
Birthweight (grams)	2,020 (1,678-2,323)	1,660 (1,390-2,270)	0.02

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

PROM: prelabor rupture of membranes; GA: gestational age; BMI: body mass index; IAI: intra-amniotic infection/inflammation NS: not significant.