35 SEX- AND AGE SPECIFIC ASSOCIATION OF AF WITH MORTALITY IN COVID-19 TABLE 1: BASELINE CHARACTERISTICS OF HOSPITALISED COVID-19 PATIENTS STRATIFIED BY THE AF/AFL EVENT DURING HOSPITALISATION AND HISTORY OF AF/AFL. Total (n=5,782) No AF/AFL (n=4,712) New-onset or recurrent AF/AFL (n=692) New-onset AF/AFL (n=420) Recurrent AF/AFL (n=271) Demographics Male sex n (%) 3,686 (63.8) 2,955 (62.7) 482 (69.7) 294 (70.0) 188 (69.4) Age in years median (IQR) 67 (56-76) 64 (54-74) 74 (69-81) 73 (66-79) 78 (73-83) History of supraventricular tachycardia AF n (%) 616 (10.7) 0 (0.0) 257 (37.2) 0 (0.0) 257 (94.8) AFL n (%) 52 (0.9) 0 (0.0) 23 (3.3) 0 (0.0) 23 (8.5) Atrial tachycardia n (%) 21 (0.4) 12 (0.3) 3 (0.4) 3 (0.7) 0 (0.0) AV nodal re-entry tachycardia n (%) 22 (0.4) 15 (0.3) 4 (0.6) 1 (0.2) 3 (1.1) History of ventricular tachycardia Non-sustained ventri- cular tachycardia n (%) 21 (0.4) 12 (0.3) 7 (1.0) 4 (1.0) 3 (1.1) Sustained ventricular tachycardia n (%) 15 (0.3) 14 (0.3) 0 (0.0) 0 (0.0) 0 (0.0) Ventricular fibrillation n (%) 24 (0.4) 17 (0.4) 6 (0.9) 6 (1.4) 0 (0.0) History of conduction disorders 1st AV block n (%) 19 (0.3) 13 (0.3) 2 (0.3) 1 (0.2) 1 (0.4) 2nd AV block n (%) 13 (0.2) 8 (0.2) 2 (0.3) 1 (0.2) 1 (0.4) 3rd AV block n (%) 26 (0.4) 16 (0.3) 2 (0.3) 1 (0.2) 1 (0.4) Left bundle branch block n (%) 24 (0.4) 14 (0.3) 5 (0.7) 4 (1.0) 1 (0.4) Right bundle branch block n (%) 18 (0.3) 12 (0.3) 4 (0.6) 2 (0.5) 2 (0.7) Other medical history Heart failure n (%) 315 (5.5) 156 (3.3) 88 (12.7) 23 (5.5) 64 (23.6) Hypertension n (%) 2,692 (47.6) 2,031 (44.0) 407 (60.2) 227 (55.4) 179 (67.5) Diabetes mellitus (type I or II) n (%) 1,494 (26.1) 1,195 (25.6) 188 (27.6) 100 (24.2) 87 (32.6) Peripheral arterial disease n (%) 271 (6.0) 181 (4.9) 54 (9.8) 26 (8.0) 28 (12.6) 3
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