Table 3. Baseline Characteristics for AF Patients with One Additional Risk Factor of CHA2DS2-VASc Score*.
| Male | Female | |||||
|---|---|---|---|---|---|---|
| Onset age of AF | 20–49 | 50–64 | 65–74 | 20–49 | 50–64 | 65–74 |
| Number | 3,092 (17.6%) | 9,469 (53.8%) | 5,034 (28.6%) | 1,290 (13.0%) | 5,983 (60.3%) | 2,653 (26.7%) |
| Age, years | 42.9 ± 5.8 | 58.0 ± 4.2 | 69.7 ± 2.8 | 43.6 ± 5.5 | 58.3 ± 4.2 | 69.5 ± 2.8 |
| CHA2DS2-VASc score | 1 | 1 | 1 | 2 | 2 | 2 |
| Risk factors according to CHA2DS2-VASc: | ||||||
| Heart failure | 381(12.3%) | 601 (6.3%) | 0 (0%) | 193 (15.0%) | 301 (5.0%) | 0 (0.0%) |
| Hypertension | 2351(76.0%) | 7738 (81.7%) | 0 (0%) | 898 (69.9%) | 5052 (84.4%) | 0 (0.0%) |
| Age 65–74 years | 0 (0.0%) | 0 (0.0%) | 5034 (100%) | 0 (0.0%) | 0 (0.0%) | 2653 (100%) |
| Diabetes mellitus | 316 (10.2%) | 965 (10.2%) | 0 (0.0%) | 190 (14.7%) | 606 (10.1%) | 0 (0.0%) |
| Vascular disease | 44 (1.4%) | 165 (1.7%) | 0 (0.0%) | 9 (0.7%) | 24 (0.4%) | 0 (0.0%) |
*CHA2DS2-VASc score of 1 for males and 2 for females
AF = atrial fibrillation; CHA2DS2-VASc = heart failure, hypertension, age 75 years or older, diabetes mellitus, previous stroke/transient ischemic attack, vascular disease, age 65 to 74 years, female