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Fig 3. Scatterplots show a positive correlation between rCBV ratios and both cell density (n = 81, r = 0.37, P < .001) (A) and microvessel density (n = 81, r = 0.26, P < .05) (B) in the whole set of samples. There is no significant correlation between ADC ratios and either cell density (n = 81, r = 0.11, P = .34) (C) or microvessel density (n = 81, r = –0.20, P = .08) (D). Spearman rank correlation test was used, and P < .05 was considered to be statistically significant.
