Time-to-event prediction analysis of patients with chronic heart failure comorbid with atrial fibrillation: a LightGBM model

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

ISSN: 1471-2261