Table 1.

Demographics and clinical features of patients with CD (mean ± SD) n (%)

	Childhood-onset CD (n = 110)	Adult-onset CD (n = 364)
Sex (male/female)	60/50	178/186
Age of diagnosis (yr)	11.5 ± 4.8	28.99 ± 14.22
Family history in first-degree relative	8 (7.27)	12 (3.29)
Smoking habit
Never		146 (40.11)
Ex-smoker		32 (8.79)
Current		186 (51.10)
Localization of disease
Ileitis	21 (19.09)	121 (33.24)
Colitis	29 (26.36)	38 (10.50)
Ileocolitis	48 (43.64)	187 (51.38)
Upper gastroenteric	12 (10.91)	18 (4.94)
Disease features
Inflammatory	78 (70.91)	223 (61.26)
Stricturing	20 (18.18)	99 (27.20)
Fistulizing	12 (10.91)	42 (11.54)
Extraintestinal manifestations	21 (19.09)	58 (15.93)

CD: Crohn’s disease.