Table 4.

(a) Diagnostic Performance of the Adaptive IVIM Parameters for Distinguishing Between the Malignant and the Benign Hepatic Lesions with Three Exponential Terms

	AUC	95% CI	Cutoff value (×10-3 mm2/s)	Sensitivity	Specificity
fd	0.652	0.485–0.795	>0.834	72.41%	63.64%
D	0.895	0.757–0.969	<=1.45	79.31%	90.91%
f1	0.624	0.457–0.772	<=0.1044	72.41%	63.64%
D1*	0.696	0.530–0.831	>19.8388	51.72%	98.95%
f2	0.667	0.574–0.763	<=0.035	58.62%	99.01%
D2*	0.851	0.703–0.944	>268	86.21%	72.73%

(b) Z Test Results among AUC Comparisons of the Adaptive IVIM Parameters in (a).
	fd	D	f1	D1*	f2	D2*
fd	—	0.054	0.565	0.746	0.456	0.153
D	—	—	0.030	0.055	0.108	0.605
f1	—	—	—	0.622	0.416	0.107
D1*	—	—	—	—	0.699	0.191
f2	—	—	—	—	—	0.320
D2*	—	—	—	—	—	—

AUC= area under curve.