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Table 4 Results of multivariate analysis of risk factors for complicated hospitalization

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

Prior neurologic damage

19.6

1.7

<0.0001

5.3

3.4

8.2

1.5

<0.0001

4.5

2.9

7.0

1.6

<0.0001

4.7

3.0

7.3

Heart disease

8.8

0.6

0.044

1.9

1.0

3.5

          

Corticosteroid therapy

11.9

0.7

0.01

2

1.2

3.5

          

Post chest radiation

4.9

1.4

<0.001

4.1

1.9

8.9

1.1

0.006

3.1

1.4

6.9

1.1

0.007

3.0

1.4

6.8

BUN >10.7 mmol/L

10.2

0.8

0.008

2.2

1.2

3.8

0.8

0.004

2.3

1.3

4.1

0.8

0.004

2.3

1.3

4.1

WBC <4 or >12 × 109/L

54.5

0.6

0.004

1.8

1.2

2.7

          

RDW ≤14.5%

34.2

     

1.0

<0.0001

2.9

1.9

4.2

     

RDW ≤14.5% and WBC = normal

31

           

<0.0001

Reference

  

RDW >14.5% and WBC = normal

49

          

0.5

0.048

1.7

1.0

3.0

RDW >14.5% and WBC = abnormal

20

          

1.4

<0.0001

4.1

2.6

6.5

Constant

 

-2.084

    

-1.96

    

-1.97

    

Hosmer and Lemeshow Test

  

0.543

    

0.344

    

0.565

   

Area under curve

   

0.7376

0.691

0.781

  

0.743

0.699

0.788

  

0.755

0.711

0.799

  1. Elevated RDW levels on admission either alone or in combination of abnormal levels of white blood are associated with significant higher rates complicated hospitalization.
  2. BUN, blood urea nitrogen; Coef, coefficient; RDW, red cell width distribution; WBC, white blood cells.
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Critical Care

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