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

Table 3 Comparison of parameters of different delay time after labeling 1.5s perfusion parameters of average kurtosis/average diffusion coefficient-matched and unmatched infarct lesions (mean ± SD, mL/100 g/min)

Lesion area	MK/MD unmatched (n = 48)	MK/MD matched (n = 36)	t value	P value
Central are	16.33 ± 4.75	17.50 ± 4.82	-1.110	0.270
Peripheral area	26.95 ± 5.30a,d	28.03 ± 5.47a,d	-0.912	0.365
Unmatched area	25.73 ± 5.54a,d	-
Matched area	34.60 ± 6.95d	34.12 ± 6.85d	0.315	0.753
F value	29.064	28.551
P value	0.000	0.000

^aP < 0.05 vs the control area.

^dP < 0.05 vs the central area.

MK: Average kurtosis; MD: Average diffusion coefficient.