81 PCN Prognosis Assessment Prolonged Mechanical Ventilation (ProVent score)
Mortality Prediction at 3 months and 1 year for patients receiving prolonged mechanical ventilation – measured on day #21 of mechanical ventilation
One (1) point each for:
- Age 50 years or more
- Vasopressor
- Platelet count 150,000 or less
- Hemodialysis or CRRT
| Score | Observed 3 month mortality (%) | Observed 1 year mortality (%) |
| 0 | 12 | 15 |
| 1 | 29 | 42 |
| 2 | 77 | 88 |
| 3 | 91 | 95 |
| 4 | 95 | 100 |
