Table 2.
Predictive power of standard PF and PF in the study population according to outcomes (SE = sensibility; SP = specificity; PPV = positive predictive value; NPV = negative predictive value).
| AUROC | Cut-off | SE | SP | PPV | NPV | |
|---|---|---|---|---|---|---|
| Outcome Failure (IMV or death) | ||||||
| standard P/F PF | 0.747 | 170 * | 54% | 87% | 88,00% | 47,00% |
| 0.747 | 125 | 81% | 41% | 81,00% | 60,00% | |
| 0.742 | 180 * | 59% | 83% | 85% | 48,00% | |
| 0.742 | 150 | 76% | 40% | 80% | 54,00% | |
| Deaths | ||||||
| standard P/F | 0.710 | 170 | 47% | 19% | 93% | 23% |
| 0.710 | 125 * | 75% | 66% | 92% | 33% | |
| P/F | 0.688 | 180 | 53% | 26% | 91,00% | 24,00% |
| 0.688 | 150 * | 70% | 66% | 91% | 30% | |
* best cut-off