Table 1. Reports about tumor detection for BLI and LCI in LED and LASER endoscope.

Author	System	Setting	No. of cases	Indicator	Main results
Ikematsu H, et al.	LASER	RCT, WLI vs. BLI	963	Polyp number per patient from the cecum to hepatic flexure	WLI vs. BLI: 1.43±1.64 vs. 1.84±2.09 (P=0.01)
Shimoda R, et al.	LASEER	RCT, WLI vs. BLI	127	Adenoma miss rate in tandem endoscope for the right sided colon	WLI vs. BLI: 10.0 vs. 1.6 (P=0.001)
Min M, et al.	LASER	RCT, WLI vs. LCI	141	Sensitivity of polyp detection in tandem endoscope for the whole colorectum	Sensitivity of WLI vs. LCI: 73% vs. 91% (P<0.001)
Fujimoto D, et al.	LASER	RCT, WLI vs. LCI	44	SSA/P miss rate in tandem endoscope from the cecum to splenic flexure	WLI vs. LCI: 21.6% vs. 3.2% (P=0.02)
Paggi S, et al.	LED	RCT, WLI vs. LCI	600	Polyp miss rate in tandem endoscope for the right-sided colon	WLI vs. LCI: 30.8% vs. 11.8% (P<0.001)
Yoshida N, et al.	LASER	Parallel, WLI vs. LCI	130	Adenoma and SSA/P detection rate with additional 30 secs observation to the right sided colon	WLI vs. LCI: 6.2% vs. 18.5% (P=0.03)
Oliveira Dos Santos CE, et al.	LASER	Tandem RCT, WLI vs. LCI vs. BLI	379	ADR for the whole colorectum	WLI vs. BLI vs. LCI: 43.2% vs. 54.0% vs. 56.9% (LCI vs. WLI, P=0.03)

BLI, blue laser imaging; LCI, linked color imaging; RCT, randomized control trial; WLI, white-light imaging; SSA/P, sessile serrated adenoma and polyps; ADR, adenoma detection rate.