Table 3 ROC curve analyses of the significant histogram parameters for differentiating malignant from benign parotid tumors
Parameters | Benign parotid tumors | Malignant parotid tumors | P value | AUC (95% CI) | Cut off value | Sensitivity Specificity |
|---|---|---|---|---|---|---|
Entropy TTP | 1.344 ± 0.620 | 1.467 ± 0.350 | < 0.000 | 0.762 (0.675–0.836) | > 3.21 | 84.37% 62.35% |
Kurtosis MRE | 9.237 ± 13.233 | 29.512 ± 53.631 | 0.025 | 0.720 (0.629–0.799) | > 4.47 | 87.50% 51.76% |
TTP + MRE | < 0.000 | 0.781 (0.695–0.852) | 81.35% 63.53% |