Surveillance using trimodal imaging endoscopy after endoscopic submucosal dissection for superficial gastric neoplasia

Table 1 Characteristics of superficial gastric neoplasias detected by white light imaging and of those detected not by white light imaging but by autofluorescence imaging

Detection mode	WLI	not WLI but AFI	P value
n (%)	22 (81)	5 (19)
Mean tumor size (mm)	12.1 (5-60)	11.6 (5-20)	0.400
Color (reddish: whitish)	16:6	0:5	0.006
Type (protruded:depressed)	14:8	5:0	0.280
Location (U:M:L)	2:9:11	0:2:3	0.640
Pathology (carcinoma:adenoma)	16:6	0:5	0.006

WLI: White light imaging; AFI: Autofluorescence imaging; U: Upper-third portion of the body; M: Middle-third portion of the body; L: Lower-third portion of the body.

Table 2 Comparison of diagnostic accuracy for white light, autofluorescence and magnifying endoscopy with narrow band

Method	WLI	AFI	ME-NBI
Sensitivity	81.5%a	81.5%a	100%
Specificity	61.7%b	14.9%bd	97.9%
Accuracy	68.9%b	39.2%bd	98.6%

^aP = 0.02,

^bP < 0.01 vs magnifying endoscopy with narrow band imaging (ME-NBI);

^dP < 0.01 vs white light imaging (WLI). AFI: Autofluorescence imaging.