Table 3.
Characteristics of enrolled patients with atrial fibrillation (AF) enrolled from February 2015 to March 2017
| Men (n=15 738) | Women (n=13 063) | Overall (n=28 801) | |
| Age | |||
| Mean (SD), years | 67.0 (12.7) | 70.6 (11.2) | 68.6 (12.1) |
| Age group, n (%) | |||
| <65 years | 6528 (41.5) | 3823 (29.3) | 10 351 (35.9) |
| 65–74 years | 4512 (28.7) | 4079 (31.2) | 8591 (29.8) |
| ≥75 years | 4698 (29.9) | 5161 (39.5) | 9859 (34.2) |
| Healthcare insurance, n (%) | |||
| Urban employees—basic insurance | 6823 (43.4) | 5045 (38.6) | 11 868 (41.2) |
| Urban residents—basic insurance | 2817 (17.9) | 2782 (21.3) | 5599 (19.4) |
| New rural cooperative insurance | 2696 (17.1) | 2830 (21.7) | 5526 (19.2) |
| Self-paying | 1654 (10.5) | 1186 (9.1) | 2840 (9.9) |
| Others | 1748 (11.1) | 1220 (9.3) | 2968 (10.3) |
| Medical history, n (%) | |||
| Hypertension | 9973 (63.4) | 8874 (67.9) | 18 847 (65.4) |
| CAD | 5050 (32.1) | 3991 (30.6) | 9041 (31.4) |
| Heart failure | 2994 (19.0) | 2788 (21.3) | 5782 (20.1) |
| Diabetes mellitus | 2694 (17.1) | 2473 (18.9) | 5167 (17.9) |
| Stroke/TIA | 2187 (13.9) | 1843 (14.1) | 4030(14) |
| PAD | 1647 (10.5) | 915 (7.0) | 2562 (8.9) |
| Myocardial infarction | 1191 (7.6) | 551 (4.2) | 1742 (6.0) |
| Previous bleeding | 96 (0.6) | 74 (0.6) | 170 (0.6) |
| Current smoker | 5241 (33.3) | 413 (3.2) | 5654 (19.6) |
| AF type | |||
| Newly diagnosed | 1742 (11.1) | 1330 (10.2) | 3072 (10.7) |
| Paroxysmal | 6143 (39.0) | 5053 (38.7) | 11 196 (38.9) |
| Persistent | 4256 (27.0) | 3405 (26.1) | 7661 (26.6) |
| Permanent | 2447 (15.5) | 2327 (17.8) | 4774 (16.6) |
| Unknown | 1150 (7.3) | 948 (7.3) | 2098 (7.3) |
CAD, coronary artery disease; PAD, peripheral artery disease; TIA, transient ischaemic attack.