Table 3.

Performance of image model on real-world electrocardiogram (ECG) image datasets.

Real world dataset	Label	Accuracy	PPV	NPV	Specificity	Sensitivity	AUROC	F1	AUPRC
LRH	Male	0.719	0.667	0.842	0.516	0.909	0.778	0.769	0.784
	1dAVb	0.953	0.833	0.981	0.962	0.909	0.981	0.870	0.902
	RBBB	1.000	1.000	1.000	1.000	1.000	1.000	1.000	1.000
	LBBB	0.984	1.000	0.981	1.000	0.909	0.983	0.952	0.957
	SB	0.938	0.875	0.946	0.981	0.700	0.965	0.778	0.861
	AF	0.969	0.867	1.000	0.961	1.000	0.988	0.929	0.945
	ST	0.969	0.900	0.981	0.981	0.900	0.987	0.900	0.938
	Weighted mean	0.969	0.912	0.983	0.980	0.909	0.984	0.908	0.935
Web-based	1dAVb	0.884	0.625	0.943	0.917	0.714	0.810	0.667	0.679
	RBBB	0.930	0.700	1.000	0.917	1.000	0.944	0.824	0.693
	LBBB	0.930	0.833	0.946	0.972	0.714	0.897	0.769	0.763
	SB	0.977	0.875	1.000	0.972	1.000	0.992	0.933	0.962
	AF	0.977	0.875	1.000	0.972	1.000	0.988	0.933	0.938
	ST	0.953	0.778	1.000	0.944	1.000	0.960	0.875	0.761
	Weighted mean	0.942	0.781	0.981	0.949	0.905	0.932	0.833	0.799

1dAVB 1st degree AV block, AF atrial fibrillation, AUPRC area under precision recall curve, AUROC area under receiver operator characteristic curve, LBBB left bundle branch block, NPV negative predictive value. PPV positive predictive value, RBBB right bundle branch block, SB sinus bradycardia, ST sinus tachycardia.