Table 2. Characteristics of the Patient Population At Risk of Atrial Fibrillation by Calendar Year.
| Characteristic | Patients, No. (%) | |||||
|---|---|---|---|---|---|---|
| 2007 (n = 198 245) | 2009 (n = 217 752) | 2011 (n = 237 464) | 2013 (n = 256 452) | 2015 (n = 272 260) | 2017 (n = 282 270) | |
| Age group, y | ||||||
| <45 | 76 485 (38.6) | 81 648 (37.5) | 86 432 (36.4) | 91 354 (35.6) | 92 262 (33.9) | 90 429 (32.0) |
| 45-54 | 42 563 (21.5) | 47 485 (21.8) | 51 555 (21.7) | 54 618 (21.3) | 57 184 (21.0) | 58 055 (20.6) |
| 55-64 | 34 979 (17.6) | 40 185 (18.4) | 46 098 (19.4) | 50 781 (19.8) | 56 208 (20.6) | 60 442 (21.4) |
| 65-74 | 22 851 (11.5) | 25 540 (11.7) | 28 584 (12.0) | 33 342 (13.0) | 38 225 (14.0) | 43 417 (15.4) |
| 75-84 | 16 609 (8.4) | 17 369 (8.0) | 18 228 (7.7) | 18 830 (7.3) | 20 090 (7.4) | 21 315 (7.6) |
| ≥85 | 4758 (2.4) | 5525 (2.5) | 6567 (2.8) | 7527 (2.9) | 8291 (3.0) | 8612 (3.0) |
| Women | 114 251 (57.6) | 125 438 (57.6) | 137 086 (57.7) | 148 638 (58.0) | 155 940 (57.3) | 162 601 (57.6) |
| Smoking status | ||||||
| Current | 41 774 (21.1) | 46 741 (21.5) | 50 987 (21.5) | 54 292 (21.2) | 56 049 (20.6) | 56 377 (20.0) |
| Former | 45 450 (22.9) | 52 499 (24.1) | 59 478 (25.0) | 66 937 (26.1) | 75 122 (27.6) | 80 457 (28.5) |
| Never | 111 021 (56.0) | 118 512 (54.4) | 126 999 (53.5) | 135 223 (52.7) | 141 089 (51.8) | 145 436 (51.5) |
| BMI ≥30 | 71 433 (36.0) | 86 543 (39.7) | 97 323 (41.0) | 107 594 (42.0) | 120 519 (44.3) | 130 218 (46.1) |
| Hypertension | 79 977 (40.3) | 90 730 (41.7) | 101 569 (42.8) | 111 886 (43.6) | 124 557 (45.8) | 134 404 (47.6) |
| Dyslipidemia | 91 098 (46.0) | 107 503 (49.4) | 121 877 (51.3) | 134 497 (52.4) | 148 350 (54.5) | 157 208 (55.7) |
| Heart failure | 5938 (3.0) | 6495 (3.0) | 6832 (2.9) | 7433 (2.9) | 8518 (3.1) | 9510 (3.4) |
| Diabetes | 26 346 (13.3) | 30 210 (13.9) | 33 859 (14.3) | 37 476 (14.6) | 42 883 (15.8) | 47 089 (16.7) |
| Myocardial infarction | 5520 (2.8) | 6344 (2.9) | 7077 (3.0) | 7997 (3.1) | 9592 (3.5) | 11 132 (3.9) |
| Coronary artery disease | 17 921 (9.0) | 19 499 (9.0) | 21 637 (9.1) | 23 905 (9.3) | 26 866 (9.9) | 28 621 (10.1) |
| Coronary artery bypass graft | 3582 (1.8) | 3767 (1.7) | 3863 (1.6) | 4061 (1.6) | 4595 (1.7) | 4964 (1.8) |
| Percutaneous coronary intervention | 3708 (1.9) | 4701 (2.2) | 5647 (2.4) | 6579 (2.6) | 7984 (2.9) | 8989 (3.2) |
| Ischemic stroke | 2788 (1.4) | 4930 (2.3) | 5942 (2.5) | 7143 (2.8) | 8722 (3.2) | 10 527 (3.7) |
| Venous thromboembolism | 3092 (1.6) | 3910 (1.8) | 4860 (2.0) | 6130 (2.4) | 7814 (2.9) | 9889 (3.5) |
| Pulmonary embolism | 1507 (0.8) | 1953 (0.9) | 2461 (1.0) | 3078 (1.2) | 3922 (1.4) | 4720 (1.7) |
| Implanted pacemaker | 1310 (0.7) | 1530 (0.7) | 1776 (0.8) | 1898 (0.7) | 2196 (0.8) | 3911 (1.4) |
| Implantable cardioverter defibrillator | 380 (0.2) | 497 (0.2) | 604 (0.2) | 744 (0.3) | 934 (0.3) | 2657 (0.9) |
| Short-term ECG monitoring | 22 324 (11.3) | 24 941 (11.4) | 32 596 (13.7) | 34 648 (13.5) | 41 081 (15.1) | 45 027 (16.0) |
| Long-term ECG monitoring | 1871 (0.9) | 2327 (1.1) | 2371 (1.0) | 2432 (1.0) | 2899 (1.1) | 4036 (1.4) |
Abbreviations: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared); ECG, electrocardiographic.