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Table 6 Results of multivariate analysis of risk factors for 90-day mortality

From: Elevated red cell distribution width predicts poor outcome in young patients with community acquired pneumonia

  

Without RDW

With RDW

RDW and abnormal WBC

 

% from total

Coef.

P value

Adjusted odds ratio

95% confidence interval

Coef.

P value

Adjusted odds ratio

95% confidence interval

Coef.

P value

Adjusted odds ratio

95% confidence interval

     

Lower

Upper

   

Lower

Upper

   

Lower

Upper

Age ≥51 years

36.3

1.2

0.001

3.3

1.7

6.5

1.1

0.001

3.1

1.6

6.2

1.0

0.003

2.8

1.4

5.6

Prior neurologic damage

19.6

1.7

<0.0001

5.3

2.7

10.2

1.6

<0.0001

4.9

2.5

9.7

1.6

<0.0001

5.0

2.6

10.0

Immunedeficiency

24.5

1.1

0.001

3.1

1.6

6.2

0.8

0.001

3.1

1.6

6.2

0.9

0.012

2.5

1.2

5.0

RDW ≤14.5%

34.2

     

0.8

         

RDW ≤14.5% and WBC = normal

30.9

           

0.016

Reference

  

RDW >14.5% or WBC = normal

49.5

          

0.9

0.128

2.4

0.8

7.3

RDW >14.5% and WBC = abnormal

19.6

          

1.6

0.007

4.8

1.5

15.3

Constant

 

-4.187

    

-4.453

    

-4.937

    

Hosmer and Lemeshow Test

  

0.310

    

0.363

    

0.708

   

Area under curve

   

0.807

0.746

0868

  

0.822

0.766

0879

  

0.828

0.772

0885

  1. Elevated RDW either alone or in combination with abnormal WBC, proved to be significantly associated with increased mortality.
  2. Coef, coefficient; RDW, red cell width distribution; WBC, white blood cells.
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Critical Care

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