Table 3.

Sub-group analysis (internal data set)

		AF rate (%)	Age and sex	Beat-DNN	HR-DNN	ASP	Ensemble
			AUC (95% CI)	AUC (95% CI)	AUC (95% CI)	AUC (95% CI)	AUC (95% CI)
Age (years)	<65	1.70%	0.799 (0.758–0.839)	0.812 (0.771–0.854)	0.824 (0.786–0.862)	0.842 (0.812–0.873)	0.867 (0.836–0.897)*
	≥65	5.97%	0.520 (0.485–0.556)	0.652 (0.619–0.685)	0.612 (0.576–0.647)	0.623 (0.591–0.655)	0.674 (0.643–0.706)*
Sex	Female	2.86%	0.731 (0.704–0.759)	0.776 (0.743–0.808)	0.777 (0.749–0.804)	0.786 (0.761–0.811)	0.821 (0.797–0.846)*
	Male	4.82%	0.652 (0.619–0.685)	0.712 (0.675–0.748)	0.691 (0.654–0.729)	0.706 (0.673–0.738)	0.747 (0.714–0.780)*

^* P < 0.05 for comparison of AUC between ensemble model and age and sex model.