Table 1.
Demographics and baseline characteristics in the China-AF cohorts (n = 6601).
| Variables | Statistics |
| Age | 67.12 ± 12.92 |
| Female | 2762/6601 (41.8) |
| BMI, kg/m2 | 25.11 ± 3.64 |
| SBP, mmHg | 129.15 ± 18.31 |
| Heart rate, beats/min | 81.42 ± 21.68 |
| eGFR <60 mL·min−1·1.73 m−2 | 979/4808 (20.4) |
| FBG, mmol/L | 6.07 ± 1.92 |
| LDL-C, mmol/L | 2.54 ± 0.85 |
| TC, mmol/L | 4.32 ± 1.04 |
| TG, mmol/L | 1.44 ± 1.04 |
| Hemoglobin, g/L | 135.45 ± 19.66 |
| Anteroposterior left atrial diameter, mm | 40.60 ± 7.40 |
| Left ventricular posterior wall, mm | 9.42 ± 1.46 |
| LVEF | |
| <40% | 248/4759 (5.2) |
| 40%–54% | 742/4759 (15.6) |
| ≥55% | 3769/4759 (79.2) |
| Current smoker | 778/6491 (12.0) |
| Current drinker | 763/6494 (11.7) |
| AF type, persistent or permanent | 2081/6555 (31.7) |
| Heart failure | 1759/6601 (26.6) |
| Hypertension | 4315/6601 (65.4) |
| Diabetes mellitus | 1698/6601 (25.7) |
| Ischemic stroke | 912/6601 (13.8) |
| Vascular disease | 1395/6601 (21.1) |
| Previous bleeding | 348/6601 (5.3) |
| Antiplatelets | 4465/5696 (78.4) |
| Statins | 2640/6566 (40.2) |
| Education, completed high school | 1703/5836 (29.2) |
| Health insurance | 6138/6532 (94.0) |
Data are shown as mean ± standard deviation or n/N (%). AF: Atrial fibrillation; BMI: Body mass index; China-AF: China atrial fibrillation; eGFR: Estimated glomerular filtration rate; FBG: Fasting blood glucose; LDL-C: Low-density lipoprotein cholesterol; LVEF: Left ventricular ejection fraction; SBP: Systolic blood pressure; TC: Total cholesterol; TG: Total triglyceride.