. Author manuscript; available in PMC: 2014 Jul 1.

Published in final edited form as: Am J Obstet Gynecol. 2013 Mar 1;209(1):27.e1–27.e7. doi: 10.1016/j.ajog.2013.02.049

Table 3.

Multivariable conditional logistic regression adjusted for preeclampsia, antenatal steroid administration and chronic lung disease to determine if GFAP levels from birth, neonatal intensive care unit (NICU) admission and during the 1^st 4 days of life predict periventricular white matter injury on head ultrasound at 6 weeks of life.

Time	Odds Ratio	95% Confidence Interval	P value
Birth	3.58	−2.96 – 10.1	0.28
NICU Admission	14.5	−3.0 – 31.9	0.10
Day 1	32.2	2.97 – 61.4	0.03^*
Day 2	27.8	4.74 – 50.8	0.02^*
Day 3	46.6	14.5 – 78.7	0.004^*
Day 4	424	324 – 524	<0.001^*

indicates P < 0.05