Regional Variation in Pregnancy Outcomes amongst Women in Inflammatory Bowel Disease: A Population-Based Cohort Study

Table 2

Rates of preterm delivery, infants born small for gestational age, and Cesarean delivery for women with and without inflammatory bowel disease.

	Inflammatory bowel disease (n = 2466 births)	Noninflammatory bowel disease (n = 1,280,493 births)		Age-adjusted odds ratio (95% CI)
Preterm delivery (n, %)	293 (11.9%)	102,274 (8.0%)	<0.001	1.56 (1.35–1.79)
Small for gestational age (n, %)	117 (4.7%)	38,261 (3.0%)	<0.001	1.52 (1.23, 1.88)
Cesarean delivery (n, %)	917 (37.2%)	417,543 (32.6%)	<0.001	1.34 (1.22–1.49)