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TABLE 4: Correlation values (Spearman rho) and significance of the correlation between each of the four parameteric variables and grade
Spearman rho Significance
CBV 0.719 <.001
K^trans 0.656 <.001
CBV (95%) 0.718 <.01
K^trans (95%) 0.740 <.001
Note.—CBV indicates cerebral blood volume; K^trans, volume transfer coefficient.
	Spearman rho	Significance
CBV	0.719	<.001
K^trans	0.656	<.001
CBV (95%)	0.718	<.01
K^trans (95%)	0.740	<.001