Association of polymorphic alleles of CTLA4 with inflammatory bowel disease in the Japanese

Table 6 Number of CD patients classified by clinical features

Polymorphic site			Genotype		Number of patients	Age at onset (yr)
					(n = 79, %)	<40	≥40
C–318T			C/C		63 (79.8)	54	9
			C/T		14 (17.7)	12	2
			T/T		2 (2.5)	2	0
A+49G			A/A		9 (11.4)	8	1
			A/G		41 (51.9)	35	6
			G/G		29 (36.7)	25	4
G+6230A			G/G		39 (49.4)	35	4
			G/A		37 (46.8)	30	7
			A/A		3 (3.8)	3	0
(AT)n in 3'-UTR			(AT)7/(AT)7		41 (51.9)	34	7
			(AT)7/(AT)x or others		38 (48.1)	34	4
(Continued)
Location of lesion			Operation		Fistula
Ileocolon	Ileum	Colon	Yes	No	Presence		Absence
40	14	9	33	30	27		36
11	1	2	9	5	8		6
2	0	0	2	0	2		0
7	2	0	5	4	5		4
25	11	5	20	21	14		27
21	2	6	19	10	18		11
25	5	7	21	18	19		20
25	8	4	22	15	18		19
1	2	0	1	2	0		3
27	10	4	24	17	19		22
26	9	3	20	18	17		21