Evaluation of the Diagnostic Ability of Optical Enhancement System in Early Gastric Cancer Demarcation

Table 2

Misdiagnosed score of WL-1 and OE-1 images by macroscopic type, color, tumor differentiation, location, and invasion depth.

		All evaluators ()			Novice evaluators ()			Experienced evaluators ()
		WL-1	OE-1	value	WL-1	OE-1	value	WL-1	OE-1	value
Macroscopic type	Elevated	28686	23458	0.008	36534	29245	0.017	18171	15850	0.189
	Depressed	43665	39362	0.168	49952	46492	0.379	32642	28019	0.360
Color	Reddish	37293	32915	0.067	44830	40431	0.126	25706	21807	0.287
	Normal-colored	44250	42655	0.528	47885	49876	0.280	37033	33458	0.132
	Discolored	28224	20519	0.014	35368	22896	0.071	18544	16619	0.507
Differentiation	Differentiated	36547	32182	0.022	44059	38577	0.041	25340	22644	0.331
	Undifferentiated	32832	24459	0.239	35901	31491	0.285	26002	15555	0.116
Location	Upper	16819	15951	0.731	23769	22438	0.715	8669	7066	0.247
	Middle	40418	33042	0.003	45736	39228	0.061	31239	24382	0.025
	Lower	36903	37702	0.758	49746	45025	0.345	19004	25133	0.477
Invasion depth	Mucosal layer	32980	24805	0.007	40752	31454	0.026	22127	15661	0.089
	Submucosal layer	39370	38015	0.413	45733	44283	0.545	28686	28209	0.895

OE-1: optical enhancement Mode 1, WL-1: white light 1.