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Table 3 Multivariate analysis of predictors of 30-day mortality from acute bacterial meningitis

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

   Multivariate model 1   Multivariate model 2  
  Unadjusted MRR (95 % CI) Adjusted MRR (95 % CI) P-value Adjusted MRR (95 % CI) P- value
Age, per year increment 1.05 (1.01-1.08) 1.03 (0.99-1.06) 0.17 0.99 (0.95-1.04) 0.66
Sex      
Male 1.0 1.0   1.0  
Female 2.31 (1.05-5.10) 2.30 (0.99-5.29) 0.051 2.77 (0.96-8.00) 0.061
VBR    0.036   0.029
<0.08 1.0 1.0   1.0  
0.08-0.12 3.12 (0.83-11.75) 2.81 (0.70-11.28) 0.15 5.18 (0.88-30.53) 0.07
>0.12 5.97 (1.72-20.65) 6.03 (1.61-22.64) 0.008 8.78 (1.74-44.36) 0.009
Glucocorticosteroid      
No 1.0 1.0   1.0  
Yes 0.47 (0.22-1.01) 0.44 (0.19-1.03) 0.057 0.62 (0.20-1.96) 0.42
CSF-protein per g/L increment, n = 55 1.17 (1.07-1.28) -   1.17 (1.04-1.31) 0.008
  1. MRR mortality rate ratio, CI confidence interval, VBR ventricle to brain ratio, CSF cerebrospinal fluid