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

Table 5

Age-adjusted odds ratio for Cesarean delivery for women with inflammatory bowel disease, stratified by ulcerative colitis and Crohn’s disease.

	Age-adjusted odds ratio for cesarean delivery
	Inflammatory bowel disease (aOR, 95% CI)	Ulcerative colitis (aOR, 95% CI)	Crohn’s disease (aOR, 95% CI)
All	1.34 (1.22–1.49)	1.19 (1.03–1.37)	1.53 (1.33–1.75)
Erie St. Clair (LHIN 1)	1.18 (0.76–1.81)	0.94 (0.50–1.75)	1.47 (0.81–2.68)
South West (LHIN 2)	1.42 (0.99–2.02)	2.04 (1.26–3.31)	0.96 (0.56–1.64)
Waterloo Wellington (LHIN 3)	1.04 (0.67–1.59)	0.81 (0.43–1.52)	1.31 (0.73–2.37)
Hamilton Niagara Haldimand Brant (LHIN 4)	1.44 (1.09–1.91)	1.34 (0.89–2.02)	1.54 (1.05–2.27)
Central West (LHIN 5)	1.27 (0.84–1.93)	0.73 (0.38–1.38)	2.14 (1.12–3.84)
Mississauga Halton (LHIN 6)	1.27 (0.89–1.82)	1.06 (0.64–1.75)	1.57 (0.94–2.63)
Toronto Central 7 (LHIN 7)	1.51 (1.06–2.13)	1.56 (0.97–2.53)	1.44 (0.87–2.40)
Central (LHIN 8)	1.46 (1.08–1.96)	1.31 (0.87–1.97)	1.65 (1.07–2.55)
Central East (LHIN 9)	1.15 (0.84–1.59)	1.02 (0.65–1.61)	1.30 (0.83–2.04)
South East (LHIN 10)	1.03 (0.60–1.75)	1.21 (0.44–3.32)	0.97 (0.52–1.81)
Champlain (LHIN 11)	1.44 (1.05–1.96)	1.23 (0.78–1.94)	1.66 (1.08–2.53)
North Simcoe Muskoka (LHIN 12)	1.63 (0.99–2.67)	0.81 (0.34–1.94)	2.45 (1.30–4.61)
North East (LHIN 13)	1.31 (0.89–1.93)	0.99 (0.57–1.76)	1.70 (0.99–2.88)
North West (LHIN 14)	2.48 (1.11–5.55)	2.09 (0.69–6.29)	3.02 (0.92–9.92)