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Table 3 ASL findings in the studied groups

From: Arterial spin labeling in the grading of brain gliomas: could it help?

  Group 1
Low grade (n = 14)
Group 2
High grade (n = 21
Test of sig. p
ASL absolute CBF (lesion)
 Mean ± SD. 32.4 ± 25.4 91.9 ± 74 U = 47.50* < 0.001*
 Median (min.–max.) 17 (14–78.5) 60 (40.3–305)
ASL relative CBF (WM)
 Mean ± SD. 1.2 ± 0.91 4.1 ± 2.6 U = 22.0 < 0.001*
 Median (min.–max.) 0.70 (0.62–3) 4.1 (1.2–11.3)
  1. U Mann-Whitney test, p p value for comparing between the studied groups, *statistically significant at p ≤ 0.05