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Table 4 Cox-regression models showing factors affecting the survival of women with breast cancer

From: Diagnosis, treatment characteristics, and survival of women with breast cancer aged 65 and above: a hospital-based retrospective study

 

Full model

Reduced model

 

HR

%95 CI

p

HR

%95 CI

p

Age (years)

        

<65*

   

0.047

   

0.025

65-69

0.6

0.2

1.5

0.252

0.5

0.2

1.4

0.189

70-74

1.2

0.5

2.5

0.710

1.1

0.5

2.4

0.773

≥75

3.6

1.2

11.0

0.023

3.0

1.3

6.8

0.009

Comorbidity

        

No*

        

Yes

2.3

1.3

4.1

0.003

2.3

1.4

4.0

0.002

Stage

        

1*

   

<0.001

   

<0.001

2

2.0

0.8

5.0

0.149

2.1

0.9

4.9

0.072

3

6.4

2.4

16.7

<0.001

7.1

3.0

16.4

<0.001

4

21.5

6.5

70.6

<0.001

22.5

8.7

58.4

<0.001

Histologic grade

        

1*

   

0.085

   

0.075

2

1.8

0.8

4.2

0.152

1.8

0.8

4.2

0.149

3

2.5

1.1

5.8

0.033

2.5

1.1

5.8

0.030

Surgical treatment

        

Yes*

        

No

1.1

0.3

3.3

0.899

    

Chemotherapy

        

Yes*

        

No

1.2

0.5

3.1

0.680

    

Radiotherapy

        

Yes*

        

No

1.2

0.3

3.9

0.819

    

−2 log likelihood ratio

788.363

788.659

  1. *Indicates reference category.
  2. HR Hazard ratio (ß).
  3. CI Confidence interval.
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BMC Women's Health

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