Skip to main content

Table 2 The main brain CT scan and clinical biochemical parameters in survivors and non-survivors.

From: Estimation of optic nerve sheath diameter on an initial brain computed tomography scan can contribute prognostic information in traumatic brain injury patients

  Survivors Non-survivors P value
  ( n = 55) ( n = 22)  
Initial CT scan    
   Basal cistern compression 7 (13%) 15 (68%) < 0.001
   Midline shift ≥ 5 mm 17 (31%) 13 (59%) 0.04
   Cortical sulcus effacement 26 (47%) 20 (91%) < 0.001
   Intraventricular haemorrhage 8 (15%) 5 (22%) 0.5
   Subarachnoid haemorrhage 23 (42%) 15 (68%) 0.04
   Marshall score 3 [5] 5 [3] 0.22
   Optic nerve sheath diameter (mm) 6.8 ± 0.1 7.8 ± 0.1 < 0.001
Clinical biochemical parameters    
   Serum sodium (mmol.l-1) 139 ± 4 138 ± 5 0.51
   Glycaemia (mmol.l-1) 7.3 [2.5] 8.9 [4.6] 0.008
   PaO2/FiO2 332 [126] 174 [118] 0.13
   PaCO2 (mmHg) 38.4 [9.9] 40.5 [10.5] 0.69
   Haemoglobin (g.dl-1) 13.0 [2.8] 12.8 [3.3] 0.68
  1. Results are presented as number (proportion), mean ± standard deviation or median [interquartile range] according to the normality of distribution. CT, computed tomography.