Table 2.

Distributions of Heart Failure Event Subtypes by Baseline Atrial Fibrillation Status

HF Event Subtype	No Atrial Fibrillation	Atrial Fibrillation	Total
All HF	915	194	1,109
HFpEF	295	61	356
HFmrEF	69	8	77
HFrEF	316	72	388
Unclassified HF	235	53	288
No HF	22,976	1,702	24,678
Total	23,891	1,896	25,787

Abbreviations: HF, heart failure; HFmrEF, heart failure with mid-range ejection fraction; HFpEF, heart failure with reduced ejection fraction; HFrEF, heart failure with reduced ejection fraction