Table 1.

Complications[11]

	Crohn’s disease		Ulcerative colitis
	Females	Males	Females	Males
Primary sclerosing cholangitis	0.3%	0.4%	3.2%	0.9%
Ankylosing spondylitis	0.7%	2.7%	1.0%	3.0%
Pyoderma gangrenosum	1.2%	1.3%	0.8%	1.5%
Erythema nodosum	1.9%	0.6%	0.8%	0.7%