Table 2. Demographic and clinical characteristics in PAH and HFpEF patients.
| Variables | PAH | HFpEF |
|---|---|---|
| Demographic characteristics | ||
| Age (years) | 40–65 | 60–70 |
| Female gender (%) | 60–80 | 50–70 |
| WHO functional class | III/IV | III/IV |
| BMI (kg/m2) | ~26 | ~30 |
| Comorbidities | ||
| Hypertension (%) | 20–30 | 50–85 |
| Diabetes mellitus (%) | 5–10 | 30–50 |
| Obesity (%) | 10–15 | 30–40 |
| Coronary artery disease (%) | 4–7 | 20–35 |
| Renal dysfunction | Absent | Common |
| Atrial fibrillation | Rare | Common |
PAH, pulmonary arterial hypertension; HFpEF, heart failure with preserved ejection fraction; BMI, body mass index.