Table 6 Diagnostic Accuracy of the FLI
FLI Cut-Off Point | SN (%) | SP (%) | PPV (%) | NPV (%) | LR+ | LR- | Youden Index |
|---|---|---|---|---|---|---|---|
≥ 10.00 | 91.67 | 23.73 | 42.31 | 82.35 | 1.2019 | 0.3512 | 0.154 |
≥ 20.00 | 75.00 | 52.54 | 49.09 | 77.50 | 1.5804 | 0.4758 | 0.2754 |
≥ 30.00 | 58.33 | 69.49 | 53.85 | 73.21 | 1.912 | 0.5996 | 0.2782 |
≥ 40.00 | 44.44 | 79.66 | 57.14 | 70.15 | 2.1852 | 0.6974 | 0.2411 |
≥ 45.00 | 33.33 | 81.36 | 52.17 | 66.67 | 1.7879 | 0.8194 | 0.1469 |
≥ 51.00 | 27.78 | 86.44 | 55.56 | 66.23 | 2.0486 | 0.8355 | 0.1422 |
≥ 54.00 | 27.78 | 93.22 | 71.43 | 67.90 | 4.0972 | 0.7747 | 0.21 |
≥ 61.00 | 22.22 | 94.92 | 72.73 | 66.67 | 4.3704 | 0.8194 | 0.1714 |
≥ 65.00 | 16.67 | 96.61 | 75.00 | 65.52 | 4.9167 | 0.8626 | 0.1328 |
≥ 77.00 | 11.11 | 96.61 | 66.67 | 64.04 | 3.2778 | 0.9201 | 0.0772 |
≥ 81.00 | 5.56 | 96.61 | 50.00 | 62.64 | 1.6389 | 0.9776 | 0.0217 |
≥ 85.00 | 5.56 | 98.31 | 66.67 | 63.04 | 3.2778 | 0.9607 | 0.0386 |