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Table 4 Relationship between x-ray variables and death (n = 824) – Univariate analyses

From: Predicting risk of mortality in dialysis patients: a retrospective cohort study evaluating the prognostic value of a simple chest X-ray

Variables

Hazard ratio [95% CI]

Model p

Model AUROC [95% CI]

Model 1

 

<0.001

0.60 [0.55, 0.65]

CTR

1.78 [1.40, 2.27]

  

Model 2

 

<0.001

0.63 [0.58, 0.68]

AAC

-

  

0

referent

  

1

2.43 [1.64, 3.61]

  

2

2.22 [1.41, 3.49]

  

3

4.35 [2.48, 7.66]

  

Model 3

 

<0.001

0.65 [0.60, 0.70]

CTR

1.52 [1.17, 1.97]

0.002

 

AAC

 

<0.001

 

0

referent

  

1

2.16 [1.45, 3.24]

  

2

1.81 [1.13, 2.89]

  

3

3.49 [1.17, 1.97]

  
  1. CTR = Cardiothoracic ratio; AAC = Aortic arch calcification score; AUROC = area under the receiving operator curve.
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BMC Nephrology

ISSN: 1471-2369

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