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Table 2 Cox regression analysis for various potential prognostic factors in survival

From: Increased interferon alpha receptor 2 mRNA levels is associated with renal cell carcinoma metastasis

  

Overall survival (103 patients)

Disease-free survival (68 patients) in M0 at Nephrectomy

Variable

Unfavorable/favorable characteristics

No. of Patients

Analysis

Relative risk

95% confidential interval

P value

No. of Patients

Analysis

Relative risk

95% confidential interval

P value

   

Univariate (U)

11.927

4.084 – 34.864

< 0.0001

 

U

6.357

2.109 – 19.163

0.001

Grade

01/02/2003

32/57/14

    

17/39/12

    
   

Multivariate (M)

8.658

1.647 – 45.529

0.0108

 

M

1.006

0.175 – 5.776

0.9942

   

U

8.305

3.430 – 32.714

< 0.0001

 

U

4.691

2.501 – 13.822

0.002

pT

> 3/2 <

31/72

    

13/55

    
   

M

2.171

1.626 – 7.189

0.0225

 

M

2.447

1.004 – 5.965

0.0489

   

U

9.486

3.479 – 25.864

< 0.0001

     

Cell type

sarcomatoid/

12/91

    

0/68

    
 

acinar

 

M

2.773

1.302 – 9.587

0.017

     
   

U

11.798

3.922 – 35.492

< 0.0001

     

Metastasis

(+)/(-)

35/68

    

0/68

    
   

M

4.362

1.973 – 19.567

0.026

     
   

U

4.267

1.515 – 12.021

0.006

 

U

2.028

0.592 – 6.952

0.2605

IFNAR1

high/low

47/56

    

25/43

    
   

M

1.958

0.661 – 5.804

0.2252

 

M

3.244

0.788 – 13.356

0.1031

   

U

10.695

4.345 – 26.323

< 0.0001

 

U

11.03

2.920 – 41.655

0.0004

IFNAR2

high/low

35/68

    

18/50

    
   

M

3.813

1.295 – 11.226

0.0151

 

M

7.604

1.559 – 37.101

0.0121