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Table 3 Cox regression analysis for various potential prognostic factors in recurrence-free survival

From: Clinically significant association between the maximum standardized uptake value on 18F-FDG PET and expression of phosphorylated Akt and S6 kinase for prediction of the biological characteristics of renal cell cancer

   

Recurrence-free survival in cN0M0 cases

Variable

Unfavorable/favorable characteristics

No. of Patients

Analysis

Relative risk

95% confidential interval

P value

p-SUVmax*

high/low

26/26

Univariate (U)

14.361

4.283 - 64.472

0.00940

Multivariate (M)

1.714

0.021 - 142.351

0.64270

pAkt (Ser473)

high/low

26/26

U

5.895

1.688 - 50.514

0.03910

M

2.374

0.062 - 367.647

0.78520

pAkt (Thr308)

high/low

25/27

U

5.321

1.621 - 45.612

0.04810

 

2.157

0.069 - 397.026

0.79130

pS6

high/low

26/26

U

3.994

0.466 - 34.272

0.12190

M

   

Grade

4/3/2/1

2/13/28/9

U

11.397

3.320 - 33.119

0.00007

M

31.171

1.836 - 529.228

0.01730

pT

4,3/2,1

13/39

U

7.807

1.920 - 31.753

0.00410

M

5.151

0.187 - 151.279

0.15370

v

1/0

24/28

U

4.941

1.016 - 24.035

0.04780

M

2.355

0.156 - 35.559

0.53630

cell type

sarcomatoid/non-cc/cc*

3/9/40

U

7.051

2.634 - 18.876

0.00010

M

1.029

0.091 - 11.577

0.78180

  1. p-SUVmax*: SUVmax value in the primary tumor.
  2. sarcomatoid/non-cc/cc*: sarcomatoid differentiation/non-clear cell RCC/clear cell RCC.
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