Optimal cut-off value of risk models for stroke-associated pneumonia
| Y-index | Cut-off point | Sensitivity (%) | Specificity (%) | PPV | NPV (%) | |
|---|---|---|---|---|---|---|
| Chumbler's score | 0.2442 | 1 | 71.49 | 52.93 | 21.66 | 91.07 |
| A2DS2 | 0.3540 | 3 | 69.83 | 65.56 | 26.96 | 92.27 |
| AISAPS | 0.3900 | 6 | 76.45 | 62.56 | 27.19 | 93.59 |
NPV, negative predictive value; PPV, positive predictive value.