Table 2 Gray-to-white matter ratio measured based on previously reported methods.

From: Explainable artificial intelligence-based prediction of poor neurological outcome from head computed tomography in the immediate post-resuscitation phase

   

Average of two measurements

Spearman's rank correlation coefficient

Neurological outcome

P-value

Good

Poor

n = 321

n = 67

n = 254

Basal ganglia

Gray matter

CN

32.5 [30.8, 34.3]

0.89

34.8 [33.3, 36.3]

32.0 [30.5, 33.5]

 < 0.001

PU

33.0 [31.3, 34.8]

0.84

35.3 [33.8, 36.5]

32.3 [30.8, 34.3]

 < 0.001

THL

32.0 [30.3, 33.8]

0.85

33.8 [32.5, 35.5]

31.5 [29.8, 33.3]

 < 0.001

White matter

CC

26.3 [25.0, 27.8]

0.81

26.8 [25.5, 28.3]

26.3 [25.0, 27.5]

0.09

PLIC

26.0 [24.8, 27.3]

0.80

26.5 [25.3, 27.7]

26.0 [24.8, 27.3]

0.05

Cerebrum

Gray matter

MC1

31.5 [29.8, 34.5]

0.83

34.0 [31.4, 36.7]

31.3 [28.9, 33.7]

 < 0.001

MC2

31.0 [27.8, 34.0]

0.88

32.5 [30.3, 35.9]

30.3 [27.8, 33.3]

 < 0.001

White matter

MWM1

24.5 [23.3, 26.0]

0.77

25.3 [23.4, 27.2]

24.3 [23.0, 25.8]

0.01

MWM2

25.0 [22.8, 27.0]

0.86

25.5 [23.0, 27.8]

24.8 [22.8, 27.0]

0.08

GWR

Basal ganglia

GWR-BG

1.25 [1.20, 1.30]

0.76

1.31 [1.27, 1.36]

1.23 [1.19, 1.28]

 < 0.001

Cerebrum

GWR-CE

1.26 [1.21, 1.31]

0.55

1.32 [1.27, 1.36]

1.25 [1.21, 1.30]

 < 0.001

Average

GWR-AV

1.25 [1.21, 1.30]

0.71

1.31 [1.29, 1.35]

1.24 [1.21, 1.28]

 < 0.001

  1. Median (interquartile range) GWR for survivors and non-survivors.
  2. CN caudate nucleus, PU putamen, THL thalamus, CC corpus callosum, PLIC posterior limb of the internal capsule, MC medial cortex, MWM medial white matter, GWR gray-to-white matter ratio, BG basal ganglia, CE cerebrum, AV average of BG and CE.
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