The Efficacy of Tumor Characterization for Colorectal Lesions with Blue Light Imaging of a Compact Light-Emitting Diode Endoscopic System Compared to a Laser Endoscopic System: A Pilot Study

Table 2

The comparison of the tumor characteristics using JNET classification between BLI-LED and BLI-LASER.

JNET	Total (%)	HP (%)	SSL (%)	LGA (%)	HGD (%)	T1- (%)	Diagnostic accuracy; Overall; Experts; Non-experts
BLI-LED							89.6; 90.1; 89.2
1	13 (100)	6 (46)	7 (54)	0	0	0
2A	7 (100)	0	0	5 (71)	2 (29)	0
2B	15 (100)	0	0	4 (27)	10 (66)	1 (7)
3	2 (100)	0	0	0	0	2 (100)
BLI-LASER							88.3; 87.4; 89.2
1	13 (100)	6 (46)	7 (54)	0	0	0
2A	10 (100)	0	0	9 (90)	1 (10)	0
2B	11 (100)	0	0	0	11 (100)	0
3	3 (100)	0	0	0	0	3 (100)

vs. ⁺: , vs. ⁺⁺: , vs. ⁺⁺⁺: . JNET: Japanese narrow band imaging team classification, BLI-LED: magnified blue light imaging, BLI-LASER: magnified blue laser imaging, HP: hyperplastic polyp, SSL: sessile serrated lesions, LGA: low-grade adenoma, HGD: high-grade dysplasia, T1-: cancer invading deeper into the submucosal layer.