. Author manuscript; available in PMC: 2017 Apr 7.

Published in final edited form as: N Engl J Med. 2016 Feb 4;374(14):1311–1320. doi: 10.1056/NEJMoa1516783

Table 4.

Maternal Outcomes

Outcome	Betamethasone N=1427	Placebo N=1400	RR (95% CI)	P value

Chorioamnionitis	20 (1.4)	32 (2.3)	0.61 (0.35-1.07)	0.08
Postpartum endometritis	16 (1.1%)	16 (1.1%)	0.98 (0.49-1.95)	0.96
Cesarean delivery	454 (31.8)	431 (30.8)	1.03 (0.93-1.15)	0.56
Randomization to delivery interval - hours	33.0 (15.2-111.6)	30.6 (14.6-111.0)		0.57
Length of stay - days	3 (3-5)	3 (3-5)		0.11

Data expressed as N (%) or median (25^th-75^th percentile)