Table 4.
Receiver operating characteristic curve analysis with area under the ROC curve to determine the accuracy, sensitivity, and specificity of diffusion tensor imaging parameters for assessment of subcortical white-matter in scrub typhus meningoencephalitis.
| AUC | 95% CI | p-Value | Optimal cut-offa | Sensitivity | Specificity | |
|---|---|---|---|---|---|---|
| ADC | 0.803 | 0.702–0.903 | 0.000 | 0.756 | 76.2% | 69% |
| FA | 0.871 | 0.786–0.956 | 0.000 | 0.400 | 85.7% | 50% |
| RA | 0.871 | 0.786–0.956 | 0.000 | 0.350 | 85.7% | 57.1% |
| VR | 0.870 | 0.784–0.957 | 0.000 | 0.800 | 88.1% | 47.6% |
| GA | 0.876 | 0.791–0.961 | 0.000 | 0.561 | 81% | 81% |
aCut-off values for continuous variables were obtained using the Youden Index.
AUC: area under the curve.