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Table 4 Comparison between the two studied groups according to different MRI perfusion parameters

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

MR perfusion

Low grade (n = 14)

High grade (n = 21)

χ2

MCp

ASL-CBF

 Hypo

9 (64.3%)

0 (0%)

19.057

< 0.001*

 ISO

1 (7.1%)

2 (9.5%)

 Hyper

4 (28.6%)

19 (90.5%)

DSC-CBF

 Hypo

12 (85.7%)

0 (0%)

39.641*

< 0.001*

 ISO

2 (14.3%)

0 (0%)

 Hyper

0 (0%)

21 (100%)

DSC-CBV

 Hypo

12 (85.7%)

0 (0%)

37.087

< 0.001*

 ISO

2 (14.3%)

1 (4.8%)

 Hyper

0 (0%)

20 (95.2%)

  1. χ2 chi-square test, MC Monte Carlo, U Mann-Whitney test, p p value for comparing between the studied groups, *statistically significant at p ≤ 0.05