Baseline characteristics in normal participants and in patients with systolic heart failure
| Normal (n = 623) | Systolic heart failure* (n = 49) | p Value† | |
|---|---|---|---|
| *Defined as symptoms of heart failure and LVEF of ⩽50%. | |||
| †p Value for differences between mean values in patients with and without systolic heart failure. | |||
| ‡Geometric mean concentrations. | |||
| Male sex | 42% | 55% | NS |
| Median (range) age (years) | 67.1 (51.2–91.3) | 76.3 (51.8–88.7) | <0.0001 |
| Mean (SD) heart rate(beats/min) | 75.2 (13.1) | 77.7 (16.3) | NS |
| Mean (SD) systolic blood pressure (mm Hg) | 143 (22.9) | 146 (27.0) | NS |
| Mean (SD) diastolic blood pressure (mm Hg) | 86.7 (12.0) | 84.7 (14.7) | NS |
| Median (range) LVEF (%) | 60 (15–60) | 40 (10–50) | <0.0001 |
| Mean (95% CI) NT-proBNP (pmol/l)‡ | 32.7 (30.1 to 35.5) | 112(73.1 to 170) | <0.0001 |