. Author manuscript; available in PMC: 2010 Sep 1.

Published in final edited form as: Am J Obstet Gynecol. 2009 Jul 22;201(3):295.e1–295.e5. doi: 10.1016/j.ajog.2009.05.038

Table 2.

Co-morbid Conditions and Blood Pressure Among Study Participants

Variable	Controls (%)	Cases (%)	p-value
Chronic Hypertension	2 (1)	6 (5)	0.08^**
Diabetes	18 (11)	7 (6)	0.14^**
Fetal Malformations	1 (1)	2 (2)	0.58^**
Thyroid Disease	9 (5)	8 (6)	0.81^**
Seizure Disorder	4 (2)	1 (1)	0.39^**
HIV+	6 (4)	1 (1)	0.14^**
History of PIH	6 (4)	1 5(12)	0.01^**
SGA	10 (6)	16 (12)	0.06^**
Maximum Systolic BP (mmHg)	117 (13.9)	163 (15.2)	<0.01^§
Maximum Diastolic BP (mmHg)	69 (9.0)	97 (9.0)	<0.01^§

Note: Percentages not totaling 100% are due to rounding errors.

SGA = small for gestational age; IUGR = intrauterine growth restriction, PIH = pregnancy induced hypertension

^**

P-value obtained by Fisher's Exact chi-squared test

^§

P-value obtained by t-test