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Clinical profile of pulmonary arterial hypertension patients (n = 20) at the time of cardiac catheterization
| n | |
|---|---|
| WHO category | |
| 1 | 18 |
| 2 | 0 |
| 3 | 0 |
| 4 | 2 |
| 5 | 0 |
| PAH aetiology | |
| Connective tissue disease | 9 |
| Idiopathic PAH | 6 |
| Portopulmonary hypertension | 2 |
| Chronic thrombo-embolic pulmonary hypertension | 2 |
| Congenital heart disease | 1 |
PAH, pulmonary arterial hypertension; WHO, World Health Organization.
