Retrograde inspection vs standard forward view for the detection of colorectal adenomas during colonoscopy: A back-to-back randomized clinical trial

Table 3 Characteristics of the polyps detected during first and second inspection in the standard forward view and retroflected view arm

	SFV arm		RFV arm
	1st SFV	2nd SFV	1st SFV	2nd RFV
Adenoma size
< 5 mm	29	12	14	16
5-10 mm	19	16	31	17
> 10 mm	7	3	8	2
Adenoma localization
Cecum and ascending colon	18	9	21	11
Transverse colon	11	6	9	11
Descending and sigmoid colon	26	16	23	13
Histology
LGIEN	53	27	48	33
HGIEN	1	2	2	0
SSA wo dysplasia	1	1	2	2
SSA with dysplasia	0	1	1	0
Paris classification
Is	21	9	28	18
Ip	2	1	0	0
IIa	28	16	18	15
IIb	4	5	7	2

RFV: Retroflected view; SFV: Standard forward view; LGIEN: Low grade intraepithelial neoplasia; HGIEN: High grade intraepithelial neoplasia; SSA: Sessile serrated adenoma.