Table 4. .

ROC analysis of ADC histogram parameters for distinguishing Warthin tumors from malignant parotid gland tumors

Parameters	AUC	Cut-off value	Sensitivity	Specificity	p- value	Youden index
ADC mean	0.726	122.06	63.2%	78.6%	0.029	0.418
Skewness	0.782	0.20	85.7%	63.2%	0.006	0.489
ADC_50th	0.737	118.50	68.4%	78.6%	0.022	0.470

ADC, apparent diffusion coefficient; AUC, area under the curve; ROC, receiver operating characteristic.