Fig. 3

Colored rating table of video review assessment in the later period. Colored cells show video review assessment ratings for each lesion, sorted according to rating value in each item. The relation of the rating and color is shown in the color bar panel, where satisfactory ratings are shown in blue and unsatisfactory ones in red. Univariate analysis of the items for future recurrence and control lesions in the later period was completed using the Mann–Whitney U test, with p values shown on the right