Table 3.

The Comparison of ROC-AUC and Log Loss Results for Poorly Differentiated Adenocarcinoma (ADC) Classification on Various Test Sets between Trained Gastric Endoscopic Submucosal Dissection (ESD) Poorly Differentiated ADC deep Learning Model (ESD-Poorly ADC Model) and Existing Biopsy Model (Biopsy-Poorly ADC Model).

	ESD-Poorly ADC Model
	ROC-AUC	log-loss
ESD-test set-1	0.975 [0.962-0.986]	0.235 [0.194-0.271]
ESD-test set-2	0.955 [0.915-0.981]	0.658 [0.592-0.736]
Biopsy-test set-1	0.953 [0.909-0.981]	0.352 [0.260-0.458]
Biopsy-test set-2	0.937 [0.892-0.969]	0.205 [0.155-0.264]
Biopsy-test set-3	0.960 [0.922-0.989]	0.156 [0.118-0.212]
Biopsy-SRCC-test set	0.941 [0.896-0.975]	0.185 [0.137-0.241]
Surgical-test set	0.929 [0.909-0.949]	0.572 [0.468-0.661]
	Biopsy-poorly ADC model
	ROC-AUC	log-loss
ESD-test set-1	0.899 [0.869-0.927]	0.857 [0.816-0.897]
ESD-test set-2	0.638 [0.541-0.722]	1.104 [1.049-1.155]
Biopsy-test set-1	0.959 [0.931-0.982]	0.587 [0.532-0.649]
Biopsy-test set-2	0.976 [0.951-0.993]	0.199 [0.181-0.220]
Biopsy-test set-3	0.975 [0.946-0.994]	0.418 [0.394-0.450]
Biopsy-SRCC-test set	0.980 [0.953-0.995]	0.190 [0.172-0.208]
Surgical-test set	0.885 [0.857-0.910]	0.518 [0.468-0.575]

Abbreviations: ROC, Receiver Operator Characteristic; AUCs, the area under the curve; SRCC, signet ring cell carcinoma.