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Severity score of pulmonary hypertension in portopulmonary hypertension patients based on liver transplantation mortality
| Mild: 25 mmHg < mPAP < 35 mmHg |
| Moderate: 35 mmHg ≤ mPAP < 45 mmHg |
| Severe: mPAP ≥ 45 mmHg |
mPAP: Mean pulmonary artery pressure.
