Medical and Infectious Complications Associated with Pyelonephritis among Pregnant Women at Delivery

Table 4

Obstetric events present at time of delivery in hospital discharges among women with pyelonephritis compared to women without pyelonephritis, Nationwide Inpatient Sample years 2008–2010 (12,628,746 deliveries).

Condition, 𝑛 (%)	Pyelo; 𝑛 = 26,397	No Pyelo; 𝑛 = 12,602,349	OR (95% CI)	𝑃 value
Obstetric events
Cesarean delivery	3669 (13.9)	4,037,688 (32.0)	0.3 (0.3, 0.3)	<0.0001
Operative vaginal delivery	645 (2.4)	791,598 (6.3)	0.4 (0.3, 0.4)	<0.0001
Multiple gestation	1392 (5.3)	265,839 (2.1)	2.6 (2.4, 2.7)	<0.0001
GDM	982 (3.7)	714,105 (5.7)	0.6 (0.6, 0.7)	<0.0001
Prex, eclamp, gest HTN	1271 (4.8)	929,959 (7.4)	0.6 (0.6, 0.7)	<0.0001
Preterm labor	3696 (14.0)	1,048,007 (8.3)	1.8 (1.7, 1.9)	<0.0001
Premature rupture of membranes	440 (1.7)	469,115 (3.7)	0.4 (0.4, 0.5)	<0.0001
Postpartum hemorrhage	375 (1.4)	321,599 (2.5)	0.5 (0.5, 0.6)	<0.0001
Chorioamnionitis	1285 (4.9)	322,282 (2.5)	1.9 (1.8, 2.1)	<0.0001

Eclamp: eclampsia; GDM: gestational diabetes; gest HTN: gestational hypertension; prex: preeclampsia.