Table 1. Demografic data for 3161 patients with Crohn’s disease and 2085 patients with Ulcerative colitis, and their gender and age matched controls.

Variable	Crohn’s disease	Controls	Ulcerative colitis	Controls
Age	53.1 (10.3)	53.1 (10.3)	57.0 (8.2)	57.0 (8.2)
Gender F/M (%)	51.7/48.3	51.7/48.3	46.8/53.2	46.8/53.2
Age at diagnosis	26.0 (9.9)		23.0 (8.2)
Disease duration	27.1 (11.1)		34.1 (8.0)