Venous thromboembolism in inflammatory bowel disease

Table 2 Pregnancy and venous thromboembolism risk

Ref.	Findings	Statistics
Hansen et al[29]	Pregnant IBD patients are at increased risk of developing VTE as compared to pregnant non-IBD patients	Relative risk 1.67 (95%CI: 1.15-2.41)
	Postpartum IBD patients are at a higher risk of developing VTE than postpartum non-IBD patients	Relative risk 2.10 (95%CI: 1.33-3.30)
	Incidence of VTE is greatest in postpartum IBD women	Group	Incidence rate
		Pregnant non-IBD	2.41 (95%CI: 2.33-2.50)
		Pregnant IBD	4.20 (95%CI: 2.83-5.58)
		Postpartum non-IBD	2.88 (95%CI: 2.72-3.04)
		Postpartum IBD	7.03 (95%CI: 3.87-10.20)
Kim et al[30]	Pregnant IBD patients are at increased risk of developing VTE as compared to non-IBD pregnant patients	Relative risk 2.13 (95%CI: 1.66-2.73)
	Postpartum IBD patients are at increased risk of developing VTE as compared to postpartum non-IBD patients	Relative risk 2.61 (95%CI: 1.84-3.69)
	UC patients are at an increased risk of developing VTE as compared to CD patients both during pregnancy and in postpartum period	Group		Relative risk
		Pregnant UC vs CD patients		2.24 (95%CI: 1.60-3.11)
		Postpartum UC vs CD patients		2.85 (95%CI: 1.79-4.52)

VTE: Venous thromboembolism; IBD: Inflammatory bowel disease; CD: Crohn’s Disease; UC: Ulcerative colitis.