Table 5 Point estimates and 95% confidence interval of RMI-3 at various cut off points
Cut off | True prevelance | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | +LR ratio | -LR Ratio | Odds ratio | Youden index | Accuracy(%) |
|---|---|---|---|---|---|---|---|---|---|---|
150 | 54.8 | 79.7 | 84.2 | 85.9 | 77.4 | 5.048 | 0.24 | 20.952 | 0.639 | 77.78 |
153 | 54.8 | 79.7 | 84.2 | 85.9 | 77.4 | 5.048 | 0.24 | 20.952 | 0.639 | 77.78 |
200 | 54.8 | 73.9 | 96.5 | 96.2 | 75.3 | 21.06 | 0.27 | 77.917 | 0.704 | 84.13 |
236 | 54.8 | 72.5 | 98.2 | 98.1 | 74.7 | 43.78 | 0.23 | 185.5 | 0.751 | 84.13 |
238 | 54.8 | 72.5 | 98.2 | 98 | 74.7 | 41.36 | 0.28 | 147.36 | 0.707 | 84.13 |
265 | 54.8 | 69.3 | 98.2 | 98 | 72.7 | 39.65 | 0.31 | 128 | 0.678 | 82.54 |
300 | 54.3 | 69.3 | 98.3 | 98 | 73.1 | 40.34 | 0.31 | 130.28 | 0.678 | 83.33 |