Table 2.
Discriminative and predictive capacity of the FI-PAC for hospital outcomes
| Outcome | ORa/0.1 FI increment | Optimal | Sensitivity | Specificity | PPVb | NPVc | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (95% CI) | AUC | (95% CI) | cut-off point | n | (%) | n | (%) | n | (%) | n | (%) | ||
| Prolonged hospital stay | 1.91 | (1.73─2.09) | 0.75 | (0.72─0.77) | ≥0.32 | 332/409 | (81.2) | 778/1282 | (60.7) | 332/836 | (39.7) | 778/855 | (91.0) |
| Emergency department admission | 1.24 | (1.11─1.37) | 0.59 | (0.55─0.63) | ≥0.30 | 148/204 | (72.5) | 745/1691 | (44.1) | 148/1094 | (13.5) | 745/801 | (93.0) |
| In-hospital mortality | 1.82 | (1.63─2.03) | 0.73 | (0.70─0.76) | ≥0.35 | 188/231 | (81.4) | 1057/1957 | (54.0) | 188/1088 | (17.3) | 1057/1100 | (96.0) |
a Adjusted for age and gender
b Positive predictive value
c Negative predictive value