Table 5.
Diagnostic values of RF model for predicting EV at various cut-off points.
| Cut-off | Se (%) | Sp (%) | +LR | -LR | PPV (%) | NPV (%) | DA (%) |
|---|---|---|---|---|---|---|---|
| -03052 | 99.1 | 16.2 | 1.18 | 0.06 | 77.1 | 85.7 | 77.4 |
| 0.0997 | 95.4 | 40.5 | 1.60 | 0.11 | 82.6 | 74.8 | 81.5 |
| 0.1705 | 93.6 | 48.7 | 1.82 | 0.13 | 84.3 | 72.0 | 82.2 |
| 0.2214 | 90.8 | 48.6 | 1.79 | 0.17 | 83.9 | 64.1 | 80.8 |
| 0.3631 | 87.2 | 59.5 | 2.15 | 0.22 | 86.4 | 61.2 | 80.1 |
| 0.5445 | 82.6 | 62.2 | 2.18 | 0.28 | 86.6 | 54.8 | 77.4 |
| 0.7879 | 74.3 | 73.0 | 2.75 | 0.35 | 89.0 | 49.0 | 73.3 |
| 1.6177 | 50.0 | 83.8 | 3.11 | 0.59 | 90.2 | 36.5 | 60.3 |
| 3.014 | 13.8 | 100 | 0 | 0.86 | 100 | 38.2 | 35.6 |
Se, sensitivity; Sp, specificity; +LR, positive likelihood ratio; -LR, negative likelihood ratio; PPV, positive predictive value; NPV, negative predictive value; DA, diagnostic accuracy; Prevalence of esophageal varices, 74.7% (109/146);