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Table 2 Descriptive measures of rCBVmean and rCBVmax (mean ± standard deviation and range) for the sample divided in groups according to the presence or the absence of microvessels, and Mann Whitney tests results from analyzing the differences of these imaging markers between these two groups are included

From: Local detection of microvessels in IDH-wildtype glioblastoma using relative cerebral blood volume: an imaging marker useful for astrocytoma grade 4 classification

IDH-wildtype glioblastomas Blocks with Presence of Microvessels
(n = 14 blocks from 5 patients)
Blocks with Absence of Microvessels
(n = 59 blocks from 12 patients)
MannWhitney test
Mean ± std Range
[min, max]
Mean ± std Range
[min, max]
p-value
rCBVmean 7.08 ± 2.99 [1.92, 13.42] 4.40 ± 2.31 [1.07, 12.25] p = 0.0016*
rCBVmax 14.15 ± 6.04 [5.15, 24,41] 8.43 ± 3.98 [2.35 20.50] p = 0.0005*