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

Published in final edited form as: Paediatr Perinat Epidemiol. 2017 Dec 1;32(1):81–89. doi: 10.1111/ppe.12430

Table 2.

Infection-related outcomes during the delivery hospitalization among women with and without systemic lupus erythematosus (SLE), Washington State, 1987–2013

	Women with SLE N=1,1297		Women without SLE N=5,584

Outcome	n/total	%	n/total	%	RR^a (95% CI)
Any infection	181/1297	14.0	470/5584	8.4	1.7 (1.4, 2.0)
Vaginal births	98/813	12.1	289/4,263	6.8	1.8 (1.5, 2.3)
Ceasarean section	83/484	17.2	181/1319	13.7	1.3 (1.0, 1.6)
Received antibiotics^b	225/744	30.2	698/2989	23.4	1.3 (1.1, 1.5)
Vaginal birth	120/406	29.6	463/2,150	21.5	1.4 (1.2,1.6)
Ceasarean section	95/297	32.0	235/839	28.0	1.1 (0.9, 1.4)
Chorioamnionitis	13/1297	1.0	72/5584	1.3	0.8 (0.4, 1.4)

Adjusted for maternal age

Data available for years 2003–2013 only