. Author manuscript; available in PMC: 2013 Oct 1.

Published in final edited form as: Am J Obstet Gynecol. 2012 Jun 29;207(4):322.e1–322.e6. doi: 10.1016/j.ajog.2012.06.049

Table 2.

Peripartum outcomes stratified by race/ethnicity, expressed in prevalence

Peripartum Adverse Outcomes	Maternal Race/Ethnicity, % (n)				p-value
Peripartum Adverse Outcomes	White	Black	Hispanic	Asian	p-value
Preeclampsia	5.4% (409)	11.6% (140)	6.0% (1003)	4.1% (242)	<0.01
Primary Cesarean Section	26.0% (1985)	29.3% (354)	20.7% (3454)	22.5% (1325)	<0.01
Preterm Delivery <37wks	12.1% (916)	19.4% (233)	13.2% (2182)	11.4% (672)	<0.01
Preterm Delivery <32wks	1.1% (80)	2.8% (34)	1.2% (192)	1.1% (64)	<0.01
Shoulder Dystocia	1.8% (136)	1.9% (23)	2.1% (348)	1.5% (86)	0.02