Toll-like receptor 9 gene mutations and polymorphisms in Japanese ulcerative colitis patients

Table 1 Basic subject data (mean ± SD) n (%)

	UC (n = 48)	Controls (n = 47)
Age (yr)	43.49 ± 15.48	41.21 ± 15.36
Sex (M/F)	21 (43.8)/27 (56.2)	21 (44.7)/26 (55.3)
Age at diagnosis (yr)	35.07 ± 14.39
Disease duration (yr)	8.42 ± 8.49
Familial disease	0 (0)	0 (0)
Disease location
Proctitis	3 (6.25)
Left colitis	27 (56.3)
Right colitis	1 (2.1)
Pancolitis	17 (35.4)
Disease severity
Light	17 (35.4)
Mild	18 (37.5)
Severe	13 (27.1)
History of colectomy	5 (10.4)
History of immunosuppressant	6 (12.5)
History of colon cancer	3 (6.3)

UC: Ulcerative colitis.