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Table 3 Results of the Cox regression analysis (stepwise backward procedure)

From: The influence of smoking and other risk factors on the outcome after radiochemotherapy for anal cancer

Variable

Score

Coeffizient

SE

HR

95% CI

P

(a) Step 1

      

Gender

      

   Male (n = 25)

1

1.81

0.82

6.08

1.23–30.15

0.027

   Female (n = 43)

0

     

Smoking

      

   Yes (n = 34)

1

1.01

0.82

2.75

0.55–13.64

0.217

   No (n = 34)

0

     

(b) Step 2

      

Gender

      

   Male (n = 25)

1

2.09

0.79

8.12

1.72–38.32

0.008

   Female (n = 43)

0

     
  1. Abbreviations: SE – Standard Error, HR – Hazard Ratio, CI-Confidence Intervall
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Radiation Oncology

ISSN: 1748-717X

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