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Table 5 Association of IR findings with mortality in patients with clinical stage I and II tumors

From: The association of infrared imaging findings of the breast with prognosis in breast cancer patients: an observational cohort study

Variable

 

Overall mortality

Disease-specific mortality

n

HR

95 % CI

p

HR

95 % CI

p

IR signsa

 IR1

   

0.03

  

0.03

  IR1 = 0

81

1

 

1

 

  IR1 = 1

20

3.76

1.15–12.31

4.59

1.15–18.37

 IR2

   

0.93

  

0.62

  IR2 = 0

46

1

 

1

 

  IR2 = 1

55

1.06

0.32–3.46

1.43

0.34–6.00

 IR3

   

0.45

  

0.93

  IR3 = 0

10

1

 

1

 

  IR3 = 1

91

0.68

0.45–1.68

0.92

0.11–7.45

 IR4

   

0.94

  

0.22

  IR4 = 0

83

1

 

1

 

  IR4 = 1

18

0.95

0.20–4.39

2.45

0.58–10.25

 IR5

   

0.72

  

0.53

  IR5 = 0

19

1

 

1

 

  IR5 = 1

82

0.91

0.55–1.51

1.96

0.24–15.95

  1. Total number of patients with clinical stage I and II tumors = 101
  2. Estimated by Cox proportional hazards model
  3. HR hazard ratio, 95 % CI 95 % confidence interval
  4. aIR imaging signs are defined in Table 1; 0 = negative, 1 = positive