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Table 3 Cox regression analysis to predict mortality

From: Serum caspase-3 levels and mortality are associated in patients with severe traumatic brain injury

 

−2 log likelihood ratio

Hazard Ratio

95 % Confidence Interval

P-value

Model 1:

274.431

3.163

1.562–6.405

0.001

Serum caspase-3 > 0.20 ng/mL

    

Model 2:

263.541

   

Serum caspase-3 > 0.20 ng/mL

 

2.916

1.438–5.917

0.003

CT findings (high vs low risk of death)

 

3.538

1.577–7.940

0.002

Model 3:

234.391

   

Serum caspase-3 > 0.20 ng/mL

 

2.943

1.396–6.203

0.005

Glasgow Coma Scale

 

0.703

0.586–0.845

<0.001

Model 4:

240.152

   

Serum caspase-3 > 0.20 ng/mL

 

3.349

1.605–6.990

0.001

Age (years)

 

1.039

1.017–1.061

0.001

Model 5:

209.615

   

Serum caspase-3 > 0.20 ng/mL

 

2.956

1.365–6.403

0.006

CT findings (high vs low risk of death)

 

4.289

1.836–10.016

0.001

Glasgow Coma Scale

 

0.694

0.567–0.849

<0.001

Age (years)

 

1.036

1.015–1.058

0.001

  1. CT Computed tomography