Table 5.

Intra- and interobserver agreement (ICC) for the measurements of parotid IVIM and DCE MR parameters

	Intraobserver ICC	Interobserver ICC
IVIM MR parameters
ADC	0.935 (0.895–0.959)	0.930 (0.889–0.956)
D	0.939 (0.902–0.962)	0.935 (0.896–0.959)
D*	0.793 (0.608–0.890)	0.638 (0.421–0.773)
f	0.655 (0.449–0.784)	0.633 (0.413–0.770)
DCE MR parameters
MRE	0.978 (0.965–0.986)	0.966 (0.933–0.983)
TTP	0.914 (0.863–0.964)	0.911 (0.826–0.955)
Wash in Rate	0.983 (0.974–0.990)	0.980 (0.960–0.990)

IVIM Intravoxel incoherent motion, DCE Dynamic contrast-enhanced, ICC Intraclass correlation coefficient, ADC Apparent diffusion coefficient, D pure diffusion coefficient, D* pseudo-diffusion coefficient, f perfusion fraction, MRE maximum relative enhancement, TTP Time to peak. The numbers between parentheses are 95 % confidence intervals