Table 1.
Demographics and baseline characteristics.
| Variable | All patients |
|---|---|
| Age (year) at Baseline, 15 patients, mean (SD) | 55.8 (17.1) |
| Median | 55.0 |
| Gender, n (percent) | |
| Female | 11 (73.3%) |
| Male | 4 (26.7%) |
| Baseline WHO Functional Class, n (percent) | |
| III | 14 (93.3%) |
| IV | 1 (6.7%) |
| Time to RHC (months), 14 patients, mean (SD) | 14.2 (4.7) |
| Median | 14.0 |
| Pulmonary Hypertension Risk Factors, n (percent) | |
| ASD, Cirrhosis, HIV | 1 (6.7%) |
| ASD, VSD | 1 (6.7%) |
| CTD-Scleroderma | 5 (33.3%) |
| CTD-RA | 1 (6.7%) |
| HIV | 1 (6.7%) |
| IPAH | 6 (40.0%) |
ASD: atrial septal defect; CTD: connective tissue disease; HIV: human immunodeficiency virus; IPAH: idiopathic pulmonary arterial hypertension; RA: rheumatoid arthritis; RHC: right heart catherization; VSD: ventricular septal defect; WHO: World Health Organization.