Table 2.

DL classification performance in CT studies with 40 < LVEF < 60%.

		Cross-validation				Testing
		Per-video		Per-study (Nab_videos ≥ 2)		Per-video		Per-study (Nab_videos ≥ 2)
		Ground truth		Ground truth		Ground truth		Ground truth
		Abnormal	Normal	Abnormal	Normal	Abnormal	Normal	Abnormal	Normal
DL	Abnormal	131	23	33	5	126	23	32	3
	Normal	37	91	4	5	26	71	1	5
		Sens	0.780	Sens	0.892	Sens	0.829	Sens	0.970
		Spec	0.798	Spec	0.500	Spec	0.755	Spec	0.625
		Acc	0.787	Acc	0.809	Acc	0.801	Acc	0.902
		κ	0.567	κ	0.407	κ	0.581	κ	0.657

Forty-seven CT studies with 40% < LVEF < 60% were in the cross-validation and 41 CT studies were in the testing. The light gray indicates per-video evaluation, dark gray indicates per-study evaluation.