Table 7.
ROC curve analysis.
| x1 | x2 | x3 | x4 | x5 | x6 | |
| AUC | 0.3134 | 0.5869 | 0.7989 | 0.1685 | 0.7632 | 0.3450 |
| x7 | x8 | x9 | x10 | x11 | x12 | |
| AUC | 0.6510 | 0.8173 | 0.3729 | 0.3169 | 0.3733 | 0.4569 |
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