Inflammatory bowel disease serology in Asia and the West

Table 1 Subject demographics and disease characteristics n (%)

Country	Group	Ethnicity	Group No.	Age (yr) mean ± SD	Female	Never smoker	Family history of IBD	CD (severe behaviour)	CD (ileocolonic location)	UC proctitis
Australia(n = 48)	Crohn’s	Caucasian	9	29 ± 12	4 (44)	3 (33)	0 (0)	8 (89)	7 (78)	-
	UC	Caucasian	10	37 ± 11	5 (50)	7 (70)	1 (10)	-	-	1 (10)
		Asian	10	45 ± 14	2 (20)	8 (80)	0 (0)	-	-	3 (10)
	Healthy	Caucasian	10	46 ± 12	5 (50)	4 (40)	0 (0)	-	-	-
		Asian	9	51 ± 11	4 (44)	7 (78)	1 (11)	-	-	-
Hong Kong(n = 42)	Crohn's	Asian	12	38 ± 15	7 (58)	7 (58)	1 (8)	3 (25)	9 (75)	-
	UC	Asian	12	43 ± 12	5 (42)	12 (100)	0 (0)	-	-	2 (17)
	Healthy	Asian	10	50 ± 5	6 (60)	7 (78)	0 (0)	-	-	-
	Relatives	Asian	8	34 ± 9	3 (38)	6 (75)	8 (100)	-	-	-
		Total	90	42 ± 13	41 (46)	61 (68)	11 (12)	11 (52)	16 (76)	6 (19)

CD: Crohn’s disease; UC: Ulcerative colitis; Severe behaviour: Stricturing or penetrating disease.