Table 5.

Subgroup-Specific ROC of the LightGBM Models

Subgroup	1 year	2 years	3 years
HFrEF	0.721 (0.703, 0.739)	0.743 (0.731, 0.756)	0.758 (0.746, 0.769)
HFmrEF	0.760 (0.746, 0.774)	0.765 (0.754, 0.775)	0.764 (0.754, 0.773)
HFpEF	0.711 (0.700, 0.722)	0.722 (0.712, 0.732)	0.730 (0.721, 0.739)
Female	0.756 (0.744, 0.769)	0.741 (0.729, 0.752)	0.753 (0743, 0.763)
Male	0.749 (0.741, 0.758)	0.751 (0.743, 0.759)	0.763 (0.755, 0.770)
Age ≤ 74 years	0.761 (0.751, 0.772)	0.757 (0.747, 0.767)	0.762 (0.753,0.770)
Age ≥ 75 years	0.693 (0.684, 0.701)	0.708 (0.700, 0.716)	0.728 (0.720, 0.736)

HFrEF: heart failure with reduced ejection fraction, HFmrEF: heart failure with midrange ejection fraction, HFpEF: heart failure with preserved ejection fraction