Table 1.
Baseline Characteristics of Patients
| Variables | All Patients, n=7 220 654 | Patients With AF, n=438 930 | Patients Without AF, n=6 781 724 | P Value |
|---|---|---|---|---|
| Age, y | 53 (46–65) | 68 (58–75) | 52 (45–64) | <0.001 |
| Male sex | 3 494 582 (48.4) | 233 562 (53.2) | 3 261 020 (48.1) | <0.001 |
| Hypertension | 1 154 853 (16.0) | 150 927 (34.4) | 1 003 926 (14.8) | <0.001 |
| Diabetes mellitus | 522 767 (7.2) | 50 023 (11.4) | 472 744 (7.0) | <0.001 |
| Heart failure | 117 232 (1.6) | 29 811 (6.8) | 87 421 (1.3) | <0.001 |
| Prior stroke | 196 291 (2.7) | 25 692 (5.9) | 170 599 (2.5) | <0.001 |
| Coronary artery diseases | 423 288 (5.9) | 72 083 (16.4) | 351 205 (5.2) | <0.001 |
| Without prior MI | 391 906 (5.4) | 66 536 (15.2) | 325 370 (4.8) | <0.001 |
| With prior MI | 31 382 (0.4) | 5547 (1.3) | 25 835 (0.4) | <0.001 |
| Peripheral vascular diseases | 24 820 (0.3) | 2993 (0.7) | 21 827 (0.3) | <0.001 |
| COPD | 343 894 (4.8) | 45 725 (10.4) | 298 169 (4.4) | <0.001 |
| Autoimmune diseases | 71 341 (1.0) | 6336 (1.4) | 65 005 (1.0) | <0.001 |
| Liver cirrhosis | 52 234 (0.7) | 3127 (0.7) | 49 107 (0.7) | 0.376 |
| Cancer | 165 367 (2.3) | 11 786 (2.7) | 153 581 (2.3) | <0.001 |
| Hyperthyroidism | 14 811 (0.2) | 1218 (0.3) | 13 593 (0.2) | <0.001 |
| CKD | 142 545 (2.0) | 15 596 (3.6) | 126 949 (1.9) | <0.001 |
| Without ESRD | 100 487 (1.4) | 11 362 (2.6) | 89 125 (1.3) | <0.001 |
| With ESRD | 42 058 (0.6) | 4234 (1.0) | 37 824 (0.6) | <0.001 |
| Gout | 246 587 (3.4) | 27 634 (6.3) | 218 953 (3.2) | <0.001 |
| Alcoholism | 34 583 (0.5) | 2101 (0.5) | 32 482 (0.5) | 0.978 |
Data are provided as median (interquartile range) or number (percentage). AF indicates atrial fibrillation; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; ESRD, end‐stage renal disease; and MI, myocardial infarction.