Table 3 ROC analyses of the significant parameters of the contrast-enhancing tumor to differentiate HGGs from SBMs
Parameters | Cutoff value | AUC (95% CI) | Sensitivity (95% CI) | Specificity (95% CI) | Accuracy (95% CI) |
|---|---|---|---|---|---|
DTI | |||||
 RD (10–3 mm2/s) | 0.597 | 0.733(0.580, 0.887) | 0.700(0.457, 0.872) | 0.667(0.431, 0.845) | 0.683(0.519, 0.819) |
 MD (10–3 mm2/s) | 0.797 | 0.686(0.522, 0.850) | 0.900(0.669, 0.982) | 0.428(0.226, 0.656) | 0.658(0.494, 0.799) |
 FA | 0.287 | 0.731(0.567, 0.894) | 0.700(0.457, 0.872) | 0.810(0.574, 0.937) | 0.756(0.597, 0.876) |
DKI | |||||
 RDk (10–3 mm2/s) | 1.106 | 0.760(0.613, 0.906) | 0.950(0.730, 0.997) | 0.476(0.264, 0.697) | 0.707(0.545, 0.839) |
 MDk (10–3 mm2/s) | 1.084 | 0.745(0.593, 0.898) | 0.850(0.611, 0.960) | 0.619(0.387, 0.810) | 0.732(0.571, 0.858) |
 FAk | 0.255 | 0.711(0.544, 0.877) | 0.750(0.506, 0.904) | 0.667(0.431, 0.845) | 0.707(0.545, 0.839) |
MAP | |||||
 MSD (10−5mm2) | 24.688 | 0.736(0.683, 0.888) | 0.950(0.730, 0.997) | 0.428(0.226, 0.656) | 0.683(0.519, 0.819) |
 QIV (10−10mm5) | 75.891 | 0.688(0.524, 0.852) | 0.900(0.669, 0.982) | 0.428(0.226, 0.656) | 0.658(0.494, 0.799) |
NODDI | |||||
 Viso | 0.158 | 0.871(0.756, 0.987) | 0.950(0.730, 0.997) | 0.762(0.524, 0.909) | 0.854(0.708, 0.944) |
 ODI | 0.409 | 0.770(0.621, 0.919) | 0.800(0.557, 0.934) | 0.667(0.431, 0.845) | 0.732(0.571, 0.858) |