Table 3 The results of receiver operating characteristic curve analysis
Cut off | AUC | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) | Odds ratio | Likelihood ratio | Accuracy (%) | ||
|---|---|---|---|---|---|---|---|---|---|---|
model | 1 | 0/1 | 0.631 | 81.0 | 45.2 | 66.7 | 63.6 | 3.5 | 1.48 | 65.8 |
2 | 0/1 | 0.708 | 88.1 | 38.7 | 66.1 | 70.6 | 4.7 | 1.44 | 67.1 | |
3 | 1/2 | 0.738 | 61.9 | 67.7 | 72.2 | 56.8 | 3.4 | 1.92 | 64.4 | |
4 | 2/3 | 0.788 | 54.8 | 90.3 | 88.5 | 59.6 | 11.3 | 5.66 | 69.9 | |
5 | 2/3 | 0.801 | 59.5 | 87.1 | 86.2 | 61.4 | 9.9 | 4.61 | 71.2 | |
6 | 2/3 | 0.799 | 61.9 | 74.2 | 76.5 | 59.0 | 4.7 | 2.40 | 67.1 | |
7 | 3/4 | 0.825 | 57.1 | 93.5 | 92.3 | 61.7 | 19.3 | 8.86 | 72.6 | |
8 | 3/4 | 0.836 | 81.0 | 67.7 | 77.3 | 72.4 | 8.9 | 2.51 | 75.3 | |
9 | 4/5 | 0.858 | 69.0 | 87.1 | 87.9 | 67.5 | 15.1 | 5.35 | 76.7 | |
10 | 4/5 | 0.860 | 71.4 | 83.9 | 85.7 | 68.4 | 13.0 | 4.43 | 75.7 | |