Efficacy of cap-assisted colonoscopy according to lesion location and endoscopist training level

Table 4 Total number of polyps and adenomas according to size

Total number	Total (n = 1023)	CAC (n = 515)	SC (n = 508)	P value
Polyps < 5 mm, n	698	398	300	0.011
Per patient	0.68 ± 1.15	0.77 ± 1.27	0.59 ± 1.00	0.011
Adenomas < 5 mm, n	418	253	165	0.003
per Patient	0.41 ± 0.89	0.49 ± 1.03	0.32 ± 0.71	0.003
Polyps ≥ 5 mm, n	269	151	118	0.168
per Patient	0.26 ± 0.70	0.29 ± 0.76	0.23 ± 0.63	0.168
Adenomas ≥ 5 mm, n	205	117	88	0.178
Per patient	0.20 ± 0.64	0.23 ± 0.70	0.17 ± 0.56	0.178

CAC: Cap-assisted colonoscopy; SC: Standard colonoscopy.