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Table 2: 
Results of Spearman rank correlation test between rCBV and ADC ratios versus cell and microvessel density
DensityAll Samples (n = 18, N = 81)Peritumoral Tissue (n = 4, N = 9)Infiltrated Tissue (n = 17, N = 39)Bulk Tumor (n = 13, N = 33)
r (P)r (P)r (P)r(P)
ADC-cell0.11 (.34)0.02 (.97)−0.02 (.90)−0.20 (.26)
ADC-microvessel−0.20 (.08)−0.62 (.08)−0.06 (.72)−0.36 (.04)*
rCBV-cell0.37 (.0006)*−0.07 (.86)0.09 (.59)0.57 (.0005)*
rCBV-microvessel0.26 (.02)*0.03 (.93)−0.18 (.28)0.46 (.008)*
  • Note:—nindicates number of patients; N, number of biopsy samples.
  • * Statistically significant with P < .05.