Table 2.

Intra- and interobserver agreement of different model parameters measurement

	Intraobserver ICC(95% CI)		Interobserver ICC(95% CI)
Parameter	ICC	95% CI	ICC	95% CI	p-value
ADC	0.916	0.851, 0.953	0.845	0.741, 0.910	<0.001*
D	0.978	0.962, 0.988	0.958	0.926, 0.976	<0.001*
D*	0.980	0.965, 0.989	0.961	0.933, 0.965	<0.001*
f	0.947	0.906, 0.970	0.900	0.829, 0.942	<0.001*
DDC	0.964	0.937, 0.980	0.931	0.881, 0.961	<0.001*
α	0.969	0.946, 0.983	0.941	0.897,m0.966	<0.001*

ADC, apparent diffusion coefficient; D, true diffusion coefficient; D*, pseudo diffusion coefficient; f, perfusion fraction; DDC, distributed diffusion coefficient; α, intravoxel water diffusion heterogeneity; ICC, intraclass correlation coefficient; CI, confidence interval. *p < 0.05.