Table 1.

Baseline characteristics n (%)

	CFC(n = 150)	NCF(n = 145)	P value
Gender
Male	94 (62.7)	87 (62.6)	1.000
Female	56 (37.3)	58 (37.4)
Age (yr) mean ± SD	65.4 ± 15.3	66.1 ± 14.8	0.736
Body mass index (kg/m2), mean ± SD	26.2 ± 10.6	27.4 ± 9.6	0.489
History of abdominal surgery	43 (28.6)	32 (22.1)	0.181
Cesarean section	20 (13.3)	15 (10.3)	0.474
Appendectomy	16 (10.6)	10 (6.9)	0.306
Distal gastrectomy due to peptic ulcer	7 (4.7)	7 (4.8)	1.000
Diverticulosis	51 (34.0)	42 (30.0)	0.382
Preparation score 2 or 3	30 (20.0)	31 (21.3)	0.776

CFC: Cap-fitted colonoscopy; NCF: Non-cap-fitted colonoscopy.