Table 3 Patch-level three-fold validation accuracy. BG, background; HGD, high grade dysplasia; LGD, low grade dysplasia; SMs, superficially invasive submucosal carcinoma; SMd, deeply invasive submucosal carcinoma; BG-oof, out-of-focus background; L-oof, out-of-focus lesion.

Category	Fold 1			Fold 2			Fold 3			Averaged accuracy
Category	Total patches	Correct patches	Accuracy	Total patches	Correct patches	Accuracy	Total patches	Correct patches	Accuracy	Averaged accuracy
BG	30,524	28,634	0.938	30,524	28,625	0.938	30,523	28,637	0.938	0.938
LGD	17,395	15,011	0.863	17,395	15,044	0.865	17,394	15,644	0.899	0.876
HGD	52,729	50,383	0.956	52,729	50,327	0.954	52,729	50,703	0.962	0.957
SMs	9350	8616	0.921	9350	8657	0.926	9349	8163	0.873	0.907
SMd	6961	6115	0.878	6961	6632	0.953	6960	6659	0.957	0.929
BG-oof	55,694	54,108	0.972	55,694	53,855	0.967	55,693	53,386	0.959	0.966
L-oof	26,949	24,664	0.915	26,949	23,758	0.882	26,949	24,695	0.916	0.904

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