Table 1.

Mean visibility scores for gastric mucosal atrophy determination using WLI, TXI mode 1, and TXI mode 2.

Endoscopist	WLI	TXI mode 1	TXI mode 2	WLI versus TXI mode 1, p value	WLI versus TXI mode 2, p value	TXI mode 1 versus TXI mode 2, p value
All, mean ± SD	2.8 ± 0.9	3.8 ± 0.5	3.5 ± 0.7	< 0.01	< 0.01	< 0.01
Expert, mean ± SD	2.9 ± 0.8	3.8 ± 0.5	3.5 ± 0.7	< 0.01	< 0.01	< 0.01
Trainee, mean ± SD	2.7 ± 0.9	3.7 ± 0.6	3.4 ± 0.8	< 0.01	< 0.01	< 0.01

WLI white-light imaging, TXI mode 1 Texture and Color Enhancement Imaging mode 1, TXI mode 2 Texture and Color Enhancement Imaging mode 2, SD standard deviation, NS not significant.

p value: exact Wilcoxon signed-rank test.