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Lung ultrasound score at admission and outcome cut-off
| LUS score cut-off | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | |
|---|---|---|---|---|---|
| Discharge alive | ≤ 23 | 100 | 58 | 29 | 100 |
| Dead | ≥ 25 | 93 | 70 | 35 | 98 |
| Non intubated | ≤ 21 | 100 | 49 | 41 | 100 |
| Intubated | ≥ 25 | 84 | 77 | 56 | 93 |
| Switch to CPAP | ≥ 25 | 62 | 77 | 60 | 75 |
CPAP: Continuous positive airway pressure
