Research Article
A Multivariable Index for Grading Exercise Gas Exchange Severity in Patients with Pulmonary Arterial Hypertension and Heart Failure
Table 5
Subject characteristics.
| | | Controls | PAH | Heart failure |
| | Number (% female) | 25 (80%) | 40 (80%) | 45/(13%) | | Age (years) | 51 ± 15 | 50 ± 13 | 54 ± 8 | | Height (cm) | 167.8 ± 8.2 | 167.7 ± 7.0 | 174.9 ± 8 | | Weight (kg) | 70.1 ± 12.7 | 75.8 ± 16.5 | 86.6 ± 16.3 | | HF etiology | | | | | Ischemic/dilated () | | | 23/22 | | NYHA Class (I/II/III/IV) | | | 5/7/23/10 | | LVEF (%) | 61 ± 7 | 64 ± 7.3 | 20 ± 6 | | NT Pro BNP/BNP | | 770 ± 1239 | 852 ± 2341 | | Cardiac index | 3.0 ± 0.3 | 3.1 ± 0.7 | 1.9 ± 0.6 | | PAH etiology | | | | | Idiopathic | — | 25 (63%) | | | Hereditary | — | 4 (10%) | | | Associated with diet drug use | — | 2 (5%) | | | Portopulmonary hypertension | — | 1 (2%) | | | Associated with connective tissue disease | — | 8 (20%) | | Functional class (WHO)
(I/II/III/IV) | — | 7/20/11/2 | | | RV pressure (mmHg) | 26 ± 4 | 76 ± 23 | 49 ± 18 |
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