Seeing better - Evidence based recommendations on optimizing colonoscopy adenoma detection rate

Table 2 Techniques with limited evidence favouring an increase in adenoma detection rate

	Evidence	Limitations	Comments
G-Eye	RCT	Only one RCT in progress	More studies are required
Endocuff	RCT		Not FDA approved
L-Menthol	RCT	Only one study	Further RCT required
		Not available in many countries out of Japan
Indigo carmine	RCT, prospective	Only two studies	Further RCT required.
		Withdrawal times confound results
AM procedures	Retrospective	Only two studies

RCT: Retrospective cohort study.