Table 2 .
Baseline demographic and clinical characteristics of heart failure patients
| Baseline characteristics of HF patients | All (n = 661) |
|---|---|
| Heart failure duration, months | 26.0 (8.0–60.5) |
| Demographics | |
| Age, yrs | 63.0 (54.0–70.0) |
| Female | 193 (28.8) |
| Male | 468 (71.2) |
| Age range, yrs | |
| < 50 | 107 (16.3) |
| 50–70 | 461 (70.3) |
| > 75 | 88 (13.4) |
| Race | |
| Han | 610 (92.8) |
| Others | 51 (7.2) |
| Measurements | |
| BMI, kg/m2 | 23.9 ± 4.1 |
| Systolic BP, mm Hg | 120.0 (107.0–130.0) |
| Diastolic BP, mm Hg | 75.0 (68.0–84.0) |
| Heart rate, beats/min | 77.0 (69.0–87.0) |
| Active smoker | 102 (15.5) |
| Active alcohol drinker | 53 (8.1) |
| Current heart disease | |
| Cardiomyopathy | 378 (58.8) |
| Coronary artery disease | 342 (53.0) |
| Hypertensive heart disease | 36 (4.0) |
| Echocardiography measurements | |
| Abnormal ECG | 615 (95.5) |
| LVEF, % | 31.0 (27.0–36.3) |
| LVEF range, % | |
| 40–49 | 46 (7.8) |
| 30–39 | 319 (53.8) |
| < 30 | 228 (38.4) |
| NYHA classification | |
| II | 371 (56.5) |
| III | 263 (40.0) |
| IV | 23 (3.5) |
| Plasma NT-proBNP, pg/ml | 1626.5 (849.3–3573.8) |
| Plasma NT-proBNP range, pg/ml | |
| < 1000 | 206 (31.6) |
| 1001–3000 | 240 (36.8) |
| 3001–9000 | 162 (24.8) |
| > 9000 | 44 (6.7) |
Data are presented as mean ± SD (Standard Deviation), medians and ranges, or numbers (%). BMI Body Mass Index, BP Blood Pressure, NT-proBNP N-terminal pro-brain natriuretic peptide, LVEF Left ventricular ejection fraction; NYHA FC New York Heart Association functional classification, EGC Electrocardiography. Heart Rate refers to the resting heart rate