Table 2.
p value* | ROC-AUC | Sensitivity | Specificity | PPV | NPV | Accuracy | Cutoff | ||
---|---|---|---|---|---|---|---|---|---|
Textural features | Δ Entropy | 0.024 | 0.71 | 0.67 | 0.73 | 0.56 | 0.81 | 0.71 | 3.78 |
Δ LRE | 0.021 | 0.71 | 0.73 | 0.70 | 0.55 | 0.84 | 0.71 | 0.57 | |
Δ Busyness | 0.020 | 0.72 | 0.67 | 0.80 | 0.63 | 0.83 | 0.76 | 34.38 | |
Dynamic features | Δ MSD | 0.013 | 0.74 | 0.67 | 0.83 | 0.67 | 0.83 | 0.78 | 27.74 |
Δ WIS | < 0.001 | 0.73 | 0.60 | 0.87 | 0.69 | 0.81 | 0.78 | 73.62 | |
Δ WOS | 0.012 | 0.86 | 0.87 | 0.80 | 0.68 | 0.92 | 0.82 | 24.42 | |
SIS | < 0.001 | 0.93 | 0.93 | 0.87 | 0.78 | 0.96 | 0.89 | 56.47 |
LRE Long-run emphasis, MSD Maximum signal difference, NPV Negative predictive value, PPV Positive predictive value, ROC-AUC Receiver operating characteristic area under the curve, SIS Standardised index of shape, WIS Washin, WOS Washout slope
*Kruskal-Wallis test