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Fig. 2 —Line plot shows relationship of mean relative cerebral blood
volume (rCBV) values (expressed as ratio of mean rCBV value of tumor relative
to mean rCBV value of normal contralateral lentiform nucleus) along
x-axis and mean relative permeability values (contrast enhancement
signal expressed as number of SDs above mean value in normal unenhancing
tissue in contralateral hemisphere) along y-axis. Pearson's
correlation coefficient was 0.867, R2 correlation
coefficient was 0.752, and Spearman's rank correlation was 0.794 (p
< 0.001 for all comparisons), indicating strong correlation between mean
relative permeability values on dynamic contrast-enhanced imaging and mean
rCBV values on dynamic susceptibility contrast imaging.
