Table 1.

Metrics derived from DWI, DTI, DKI and DKTI.

Parameters	Metric	Coefficient	Units	Method(s)
Apparent diffusion	Mean diffusion	Dmean	× 10−3 mm2/s	DWI, DTI
	Axial diffusion	Daxial	× 10−3 mm2/s	DTI
	Radial diffusion	Dradial	× 10−3 mm2/s	DTI
	Fractional anisotropy of diffusion	FA	Unitless	DTI
Apparent kurtosis	Mean kurtosis	Kmean	Unitless	DKI, DKTI
	Axial kurtosis	Kaxial	Unitless	DKTI
	Radial kurtosis	Kradial	Unitless	DKTI
	Fractional anisotropy of kurtosis	KFA	Unitless	DKTI