TABLE 1:

Clinical Characteristics of CD Patients in the Current Study

		Cedars-Sinai Cohort			IIBDGC Cohort
		Total No.	No. (Yes)	%	Total No.	No. (Yes)	%
Sex	Female	2344	1088	46.42	13,065	7334	56.13
Age at diagnosis, y	<5	2344	36	1.54	13,065	37	0.3
	5–55	2344	2202	93.94	13,065	12,183	93.2
	≥55	2344	106	4.52	13,065	845	6.5
Disease location	L1	2094	488	23.30	12,773	4020	31.47
	L2	2094	422	20.15	12,773	2824	22.25
	L3	2094	1184	56.54	12,773	5517	43.58
	L4	1950	339	17.38	10,070	1066	10.59
	Perianal	2019	632	31.30	10,664	2960	27.76
Disease behavior	B1	2095	1002	47.83	12,235	5722	46.77
	B2	2095	574	27.40	12,235	3023	24.71
	B3	2095	519	24.77	12,235	3490	28.52
Surgery		2210	1129	51.09	12,691	6579	51.84

B1, nonstricturing, nonpenetrating disease; B2, stricutring disease; B3, penetrating disease; L1, ileal-only affection; L2, colon-only affection; L3, ileocolonic affection; L4, upper GI affection; Perianal, perianal disease location; Surgery, surgery for Crohn’s disease.