Table 2.
ROC curve for the ALFF differences in brain areas between SD and RW.
| Brain area | AUC | Sensitivity (%) | Specificity (%) | Cut off point* |
|---|---|---|---|---|
| R_Cerebellum Anterior Lobe | 0.805 | 75 | 81.2 | −0.351 |
| L_ Inferior Occipital Gyrus | 0.875 | 75 | 87.5 | 0.206 |
| R_Inferior Occipital Gyrus | 0.809 | 81.3 | 75 | 0.2065 |
| L_Thalamus | 0.867 | 87.5 | 75 | 0.1155 |
| L_Insula | 0.82 | 93.8 | 62.5 | −0.8015 |
| L_ Postcentral Gyrus | 0.848 | 75 | 93.7 | −0.405 |
| R_ Postcentral Gyrus | 0.93 | 87.5 | 93.7 | −0.3095 |
*
Cut off point of mean ALFF signal value.
ROC, Receiver operating characteristic; ALFF, Amplitude of low-frequency fluctuation; SD, Sleep deprivation; RW, Rested wakefulness; AUC, Area under the curve; R, Right; L, Left.