Table 2.

Relevant features included in the predictive models.

	Warthin’s Tumors		Malignant Tumors		P value*
	Median	IQR	Median	IQR
P25 of ADC (× 10-6 mm2/s)	911	190	1058	379	0.054
Volume Density AEE	1.29	0.07	1.26	0.10	0.011
	Benign Tumors		Warthin’s Tumors
	Median	IQR	Median	IQR	P value*
P25 of ADC (× 10-6 mm2/s)	1506.88	612.00	911.00	189.75	<0.001
Volume Density AEE	1.26	0.07	1.29	0.07	0.0481
Minimum Histogram Gradient	-7.25	15.25	-16.00	18.63	0.0582
	Benign Tumors		Malignant Tumors
	Median	IQR	Median	IQR	P value*
P25 of ADC (× 10-6 mm2/s)	1507	612	1058	379	<0.001
P10 of T2	9.00	3.00	6.50	4.00	0.007

*P values refer to Mann-Whitney test. P25, 25^th percentile of the ADC distribution inside the lesion; P10 of T2, 10^th percentile of the T2-weighetd signal intensity distribution inside the lesion; AEE, approximate enclosing ellipsoid.