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Table 2 Pathological ventricle to brain ratio and outcome

From: Brain ventricular dimensions and relationship to outcome in adult patients with bacterial meningitis

CT scan performed within 24 h of diagnosis (n = 81) Pathological VBR* Normal VBR** P-value
All age groups No 28 % (n = 23/81) 72 % (n = 58/81)  
  GOS 1 56.5 % (n = 13/23) 31.0 % (n = 18/58) 0.033
  GOS 5 34.8 % (n = 8/23) 34.5 % (n = 20/58) 0.98
<70 years   No 33 % (n = 17/52) 67 % (n = 35/52)  
  GOS 1 53.0 % (n = 9/17) 14.3 % (n = 5/35) 0.003
  GOS 5 35.3 % (6/17) 42.9 % (n = 15/35) 0.66
All CT scans performed during admission (n = 107)    
All age groups No 28.0 % (n = 30/107) 72.0 % (n = 77/107)  
  GOS 1 50.0 % (n = 15/30) 32.5 % (n = 25/77) 0.12
  GOS 5 26.7 % (n = 8/30) 37.7 % (n = 29/77) 0.37
<70 years No 29.6 % (n = 21/71) 70.4 % (n = 50/71)  
  GOS 1 52.4 % (n = 11/21) 16.0 % (n = 8/50) 0.003
  GOS 5 28.6 % (n = 6/21) 48.0 % (n = 24/50) 0.19
  1. VBR ventricle to Brain Ratio, GOS Glasgow outcome scale
  2. * −/+ 2SD from control group mean VBR for age
  3. ** Within 2SD of control group mean VBR for age