High-definition colonoscopy with i-Scan: Better diagnosis for small polyps and flat adenomas

Table 3 Number and size of protruding and nonprotruding lesions found with high-definition+ with i-Scan and standard white-light colonoscopy

	HD+ with i-Scan	Standard white light	Total	P value
0-10 mm				< 0.0001
Protruding	341	636	977
Nonprotruding	43	31	74
11-20 mm				0.83
Protruding	30	67	97
Nonprotruding	12	23	35
21-30 mm				0.36
Protruding	9	8	17
Nonprotruding	12	21	33
> 30 mm
Protruding	9	12	21	0.46
Nonprotruding	3	9	12

HD: High-definition.