Skip to main content

Table 3 Comparisons of the attenuation in regions of interest and of the gray-to-white matter ratio (GWR), optic nerve sheath diameter, and early computed tomography signs between groups

From: The association of findings on brain computed tomography with neurologic outcomes following extracorporeal cardiopulmonary resuscitation

 

Good neurological outcome (n = 19)

Poor neurological outcome (n = 23)

p value

Density of regions of interest, HU (median (IQR))

 Basal ganglia

Gray matter

CN

34.90 (32.25–38.10)

32.40 (28.20–35.60)

0.071

  

PU

35.70 (33.40–38.05)

33.90 (31.25–35.9)

0.129

White matter

CC

27.90 (24.20–30.60)

27.40 (25.55–29.75)

0.752

 

PIC

27.70 (25.05–29.20)

27.30 (26.15–28.80)

0.950

 Centrum semiovale (cortical)

Gray matter

MC1

31.90 (28.75–34.30)

30.80 (27.65–32.45)

0.306

White matter

MWM1

24.9 (22.25–29.55)

25.30 (23.40–28.10)

0.667

 High convexity area (cortical)

Gray matter

MC2

30.70 (28.85–33.80)

29.70 (28.25–32.05)

0.596

White matter

MWM2

24.60 (21.85–27.05)

24.70 (22.00–27.45)

0.527

GWR (median (IQR))

 GWR-BG (basal ganglia)

  

1.31 (1.25–1.37)

1.21 (1.11–1.28)

0.001

 GWR-CO (cortical)

  

1.23 (1.17–1.32)

1.20 (1.09–1.29)

0.098

 GWR-SI (simplified)

  

1.29 (1.25–1.38)

1.21 (1.13–1.29)

0.023

 GWR-AV (average)

  

1.29 (1.23–1.31)

1.21 (1.10–1.26)

0.007

Optic nerve sheath diameter, mm (median (IQR))

  

5.57 (5.14–5.98)

6.07 (5.71–6.64)

0.007

LOB at level of basal ganglia (n (%))

  

2 (10.5)

15 (65.2)

<0.001

SE at level of centrum semiovale (n (%))

  

2 (10.5)

15 (65.2)

<0.001

  1. CC corpus callosum, CN caudate nucleus, HU Hounsfield units, IQR interquartile range, LOB loss of boundary between gray matter and white matter, MC medial cortex, MWM medial white matter, PIC posterior limb of the internal capsule, PU putamen, SE cortical sulcal effacement