Three-dimensional arterial spin labeling and diffusion kurtosis imaging in evaluating perfusion and infarct area size in acute cerebral ischemia

Table 1 Comparison of diffusion kurtosis imaging parameters between the lesion and control areas (mean ± SD)

Indexes	The lesion area (n = 84)	The control area (n = 84)	t value	P value
ADC	576.3 ± 94.2	756.0 ± 102.1	-11.856	0.000
MD	0.651 ± 0.150	0.847 ± 0.167	-8.003	0.000
AD	0.830 ± 0.167	1.305 ± 0.204	-16.513	0.000
RD	0.531 ± 0.093	0.644 ± 0.122	-6.751	0.000
AK	1.281 ± 0.224	0.760 ± 0.115	18.964	0.000
MK	1.256 ± 0.241	0.922 ± 0.207	9.636	0.000
RK	1.328 ± 0.304	0.987 ± 0.185	8.782	0.000

ADC: Apparent diffusion coefficient; MD: Average diffusion coefficient; AD: Axial diffusion; RD: Radial diffusion; AK: Axial kurtosis; MK: Average kurtosis; RK: Radial kurtosis.