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Table 2 Assessment of HU values in regions of interest and the gray matter/white matter 2 ratio in GOS 1&2 and 3–5 patients

From: Head Computed Tomographic measurement as an early predictor of outcome in hypoxic-ischemic brain damage patients treated with hypothermia therapy

  GOS 1&2(n = 42) GOS 3–5(n = 16) P
Measurement by our original method   
Cerebral cortex 32.1 (2.9) 36.2 (1.4) <0.001
White matter 1 29.8 (2.3) 30.1 (1.2) 0.69
DCW 2.2 (1.6) 6.1 (1.4) <0.001
Measurement by Torbey et al. method   
Gray matter    
Caudate nucleus 34.6 (2.5) 36.7 (1.4) 0.006
Putamen 33.4 (2.5) 35.3 (2.4) 0.21
White matter 2    
Posterior limb of internal capsule 30.9 (2.6) 32.4 (1.7) 0.04
Corpus callosum 29.5 (2.5) 30.4 (1.7) 0.21
GM/WM2 ratio 1.12 (0.1) 1.13 (0.1) 0.71
  1. Values are mean (SD). HU, Hounsfield unit; GOS, Glasgow Outcome Scale; SD, standard deviation; DCW, difference in HU values between the cerebral cortex and white matter 1; GM, Gray matter; WM2, White matter 2.