. Author manuscript; available in PMC: 2018 Jan 1.

Published in final edited form as: Radiat Res. 2016 Dec 21;187(1):79–88. doi: 10.1667/RR14358.1

TABLE 1.

Normality Test and Skewness for the Two Methods of Percentage Change in 1 and 8 h Groups for all MRI Vascular Parameters

	Shapiro-Wilk normality test (P value)		Skewness
	[(post − pre)/2×(mean of post + pre)]%	[(post − pre)/(pre)]%	[(post − pre)/2×(mean of post + pre)]%	[(post − pre)/(pre)]%
1 h group
TBF	0.451	0.118	0.091	0.716
K^trans	0.130	0.324	−0.650	−0.273
v_e	0.849	0.446	0.103	0.540
V_D	0.998	0.900	0.001	0.485
ADC	0.568	0.209	0.585	0.863
8 h group
TBF	0.762	0.083^*	−0.185	1.116^**
K^trans	0.210	0.070^*	0.157	0.545
v_e	0.964	0.591	0.045	0.589
V_D	0.469	0.729	−0.338	0.011
ADC	0.406	0.526	−0.358	−0.220

Not normally distributed (P < 0.10).

^**

Significantly skewed.