Table 2. Mean Quantitative Values of Histogram Parameters Derived from Normalized Cerebral Blood Volume in Subgroups by Skewness/Kurtosis Pattern.

Histogram Parameters	Group 1 (n = 22)	Group 2 (n = 58)	Group 3 (n = 29)	Group 4 (n = 26)	Corrected P
Range	7.76 ± 2.16	7.79 ± 2.21	9.87 ± 1.92	9.07 ± 2.34	< 0.001
Median	3.89 ± 1.37	4.03 ± 1.53	8.23 ± 1.97	8.12 ± 2.01	< 0.001
Mean	4.14 ± 1.42	4.22 ± 1.51	8.11 ± 1.92	8.29 ± 1.99	< 0.001
Skewness	0.98 ± 0.17	0.52 ± 0.15	-0.61 ± 0.16	-0.54 ± 0.14	< 0.001
Kurtosis	3.76 ± 0.93	2.07 ± 0.92	3.59 ± 0.97	2.01 ± 0.83	< 0.001

Data are mean ± standard deviation. p values were calculated by ANOVA and corrected for multiple comparisons by using Bonferroni correction. ANOVA = analysis of variance