Transparent-cap-fitted colonoscopy shows higher performance with cecal intubation time in difficult cases

Table 4 Multivariate analysis for influencing factors on cecal intubation time(s) between cap-fitted colonoscopy and non-cap-fitted colonoscopy (mean ± SD)

	CFC	NCF	P value
Gender
Male	234 ± 109	257 ± 137	0.053
Female	276 ± 173	257 ± 134	0.997
Age (yr)
< 60	249 ± 130	233 ± 106	0.784
≥ 60	244 ± 123	330 ± 213	0.009
Body mass index (kg/m2)
< 23	246 ± 125	240 ± 118	0.067
≥ 23	296 ± 170	248 ± 148	0.674
History of abdominal surgery	240 ± 106	351 ± 219	0.012
Diverticulosis	218 ± 66	279 ± 189	0.169
Quality of preparation
0 or 1	255 ± 133	251 ± 147	0.861
2 or 3	224 ± 96	302 ± 176	0.006

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