Table 1. Characteristics of 164 patients and indications for RHC.
| Age | 63.7±15.5 |
| Men (%) | 88 (54) |
| BMI | 26.6±5.5 |
| Echocardiography | |
| Left atrial diameter, mm | 43.6±10.3 |
| Left ventricular enddiastolic diameter, mm | 51.7±11.2 |
| Left ventricular ejection fraction, % | 54.9±14.5 |
| Enddiastolic interventricular septum, mm | 11.2±2.3 |
| TAPSE, mm | 18.1±4.6 |
| Right mid-ventricular diameter, mm | 36.4±7.5 |
| Right ventricular diameter-long axis, mm | 60.74±14.8 |
| mPAP, mean gradient method (mmHg) | 37.1±12.2 |
| mPAP, calculated with Chemla formula (mmHg) | 37.9±12.5 |
| mPAP, calculated with Syyed formula (mmHg) | 37.5±11.8 |
| Medical history | |
| Hypertension (%) | 87 (53) |
| Coronary heart disease (%) | 65 (40) |
| Diabetes (%) | 27 (16) |
| Heart failure (%) | 95 (58) |
| Ischemic cardiomyopathy (%) | 32 (20) |
| Dilated cardiomyopathy (%) | 41 (25) |
| Chronic obstructive pulmonary disease (%) | 11 (7) |
| Atrial fibrillation (%) | 42 (26) |
| NYHA functional class | |
| I (%) | 8 (5) |
| II (%) | 61 (37) |
| III (%) | 83 (51) |
| IV (%) | 12 (7) |
| Indication for RHC | |
| Aortic valve evaluation (%) | 41 (25) |
| - Aortic valve stenosis (%) | 37 (23) |
| - Aortic valve regurgitation (%) | 4 (2) |
| Mitral valve evaluation (%) | 74 (45) |
| - Mitral valve stenosis (%) | 11 (7) |
| - Mitral valve regurgitation (%) | 63 (38) |
| Heart failure evaluation (%) | 49 (30) |
| - Evaluation for heart transplantation (%) | 11 (7) |
BMI indicates body mass index (kg/m2), RHC indicates right heart catheterization.