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Table 2 Multivariate analysis for recurrence-free survival using Cox proportional hazards regression model

From: Standardized uptake value of 18F-fluorodeoxyglucose positron emission tomography for prediction of tumor recurrence in breast cancer beyond tumor burden

Factors

Hazard ratio

95% CI

P -value

Age

  

0.144

 

>35 yr

Reference

  
 

≤35 yr

1.86

0.81 to 4.25

 

Tumor size

  

0.151

 

≤2 cm

Reference

  
 

>2 cm

1.63

0.84 to 3.19

 

Nodal status

  

0.038

 

Negative

Reference

  
 

Positive

1.93

1.04 to 3.59

 

Estrogen receptor status

  

0.021

 

Positive

Reference

  
 

Negative

2.19

1.12 to 4.27

 

HER2 status

  

0.389

 

Negative

Reference

  
 

Positive

1.33

0.69 to 2.57

 

SUV max b

  

0.013

 

Low (<4)

Reference

  
 

High (≥4)

2.39

1.20 to 4.76

 
  1. aCI, Confidence interval; HER2, Human epidermal growth factor receptor-2; SUVmax, Maximum standardized uptake value. bP = 0.009 and χ2 = 25.41 for the comparison with the analysis without SUVmax (by the likelihood ratio test).
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Breast Cancer Research

ISSN: 1465-542X

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