Table 1.
Clinical characteristics.
| Demographic and clinical characteristics | All patients (n = 132) | Normal baseline RV-PA coupling | Impaired baseline RV-PA coupling | p-value |
|---|---|---|---|---|
| RVFWLS/PASP ≥0.63 (n = 65) | RVFWLS/PASP <0.63 (n = 67) | |||
| Age (years) | 76.6 ± 7.5 | 78.0 ± 5.7 | 75.1 ± 8.6 | 0.024 |
| Gender (female) | 76 (47.5%) | 30 (46.2%) | 37 (55.2%) | 0.297 |
| BMI (kg/m2) | 27.2 ± 4.5 | 26.8 ± 4.4 | 27.5 ± 4.6 | 0.375 |
| Symptoms | ||||
| Angina | 78 (59.1%) | 44 (67.7%) | 34 (50.7%) | 0.048 |
| NYHA functional class | 2.7 ± 0.6 | 2.6 ± 0.6 | 2.7 ± 0.6 | 0.191 |
| Class 2 | 39 (29.5%) | 26 (40.0%) | 13 (19.4%) | 0.035 |
| Class 3 | 86 (65.2%) | 36 (55.4%) | 50 (74.6%) | |
| Class 4 | 7 (5.3%) | 3 (4.6%) | 4 (6.0%) | |
| Comorbidities | ||||
| Atrial fibrillation | 41 (31.1%) | 11 (16.9%) | 30 (44.8%) | 0.001 |
| CAD | 74 (56.1%) | 40 (61.5%) | 34 (50.7%) | 0.212 |
| Prior PCI | 35 (26.5%) | 15 (23.1%) | 20 (29.9%) | 0.378 |
| Obesity | 45 (34.1%) | 20 (30.8%) | 25 (37.3%) | 0.428 |
| Type 2 DM | 38 (29.0%) | 21 (32.3%) | 17 (25.8%) | 0.402 |
| COPD | 13 (9.8%) | 5 (7.7%) | 9 (13.4%) | 0.284 |
| Anemia | 57 (43.2%) | 23 (35.4%) | 34 (50.7%) | 0.075 |
| CKD (≥3) | 31 (23.5%) | 16 (24.6%) | 15 (22.4%) | 0.763 |
| Frailty | 54 (40.9%) | 28 (43.1%) | 26 (38.8%) | 0.618 |
BMI, body mass index; DM, diabetes mellitus; CAD, coronary artery disease; CKD, chronic kidney disease; COPD, chronic obstructive pulmonary disease; NYHA, New York Hear Association Class; PCI, percutaneous coronary intervention.
Values are mean ± SD, n (%), or median (interquartile range).