. Author manuscript; available in PMC: 2019 Feb 1.

Published in final edited form as: Obstet Gynecol. 2018 Feb;131(2):328–335. doi: 10.1097/AOG.0000000000002441

Table 1.

Frequencies of adverse pregnancy outcomes according to race-ethnicity

Race-Ethnicity	Adverse Pregnancy Outcome
Race-Ethnicity	Any PTB	iPTB	sPTB	HDP	SGA
NHW	464/5,721 (8.1)	185/5,720 (3.2)	274/5,720 (4.8)	764/5,712 (13.4)	490/5,702 (8.6)
NHB	161/1,307 (12.3)	76/1,306 (5.8)	83/1,306 (6.4)	218/1,304 (16.7)	223/1,296 (17.2)
Hispanic	128/1,586 (8.1)	51/1,584 (3.2)	75/1,584 (4.7)	167/1,579 (10.6)	185/1,580 (11.7)
Asian	24/379 (6.3)	8/379 (2.1)	16/379 (4.2)	32/378 (8.5)	62/379 (16.4)
Other	47/477 (9.9)	18/477 (3.8)	29/477 (6.1)	63/476 (13.2)	57/474 (12.0)

Data presented as n/N (%); denominators may differ among columns due to missing data

PTB = preterm birth; iPTB = medically-indicated preterm birth; sPTB = spontaneous preterm birth; HDP = hypertensive disease of pregnancy; SGA = small-for-gestational-age birth; NHW = non-Hispanic white; NHB = non-Hispanic black