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Table 2 Comparisons of the attenuations in Hounsfield units in regions of interest and of the gray matter-to-white matter ratio between groups

From: Early brain computed tomography findings are associated with outcome in patients treated with therapeutic hypothermia after out-of-hospital cardiac arrest

   

Good outcome (N = 21)

Poor outcome (N = 30)

P

Basal ganglia

Gray matter

CN

37.6 ± 1.4

36.6 ± 1.8

0.030

 

PU

38.3 ± 1.7

36.7 ± 2.5

0.038

White matter

CC

29.8 ± 2.0

29.8 ± 2.2

0.946

 

PIC

29.0 ± 2.0

29.9 ± 2.2

0.094

Centrum semiovale

Gray matter

MC1

36.8 ± 1.3

35.9 ± 2.0

0.072

White matter

MW1

30.3 ± 1.9

30.3 ± 3.2

0.990

High convexity area

Gray matter

MC2

37.8 ± 1.9

36.1 ± 2.4

0.043

White matter

MW2

30.5 ± 1.7

30.4 ± 3.0

0.927

Gray-White matter Ratio (GWR)

   

 Basal ganglia

1.30 ± 0.09

1.23 ± 0.07

0.005

 Cerebrum

1.23 ± 0.06

1.19 ± 0.07

0.041

 Average

1.26 ± 0.07

1.21 ± 0.06

0.003

  1. CN caudate nucleus, PU putamen, CC corpus callosum, PIC posterior internal capsule, MC1 medial cortex at the centrum semiovale, MW1 medial white matter at the centrum semiovale, MC2 medial cortex at the high convexity level, MW2 medial white matter at the high convexity level, GWR Basal ganglia = (CN + PU)/(CC + PIC); GWR Cerebrum = (MC1 + MC2) / (MW1 + MW2); GWR Average = (GWR Basal ganglia + GWR Cerebrum)/2.
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Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine

ISSN: 1757-7241