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Table 4 Univariate analysis for 5-year LRRFS, DMFS, and DFS

From: The prognostic value of the nodal ratio in N1 breast cancer

Variable

No. of pts

5-year LRRFS

(%)

5-year DMFS

(%)

5-year DFS

(%)

Age

    

≤40

31

92.7

84.3

84.3

> 40

99

96.8

96.2

93.7

  

p = 0.348

p = 0.078

p = 0.138

T stage

    

T1

68

96.5

96.7

94.6

T2/3

62

95.0

89.5

87.7

  

p = 0.578

p = 0.108

p = 0.229

Nodal ratio

    

≤0.15

100

97.9

96.4

94.0

> 0.15

30

88.7

81.3

81.3

  

p = 0.033

p = 0.029

p = 0.069

ER

    

(-)

28

96.4

96.4

95.4

(+)

102

95.6

92.3

89.8

  

p = 0.895

p = 0.462

p = 0.374

PR

    

(-)

49

98.0

98.0

98.0

(+)

81

94.5

90.5

87.5

  

p = 0.403

p = 0.111

p = 0.087

HER2

    

(-) or unknown

107

94.4

92.0

89.7

(+)

23

100.0

100.0

100.0

  

p = 0.421

p = 0.180

p = 0.163

Histologic grade

    

G1/G2

85

97.3

94.3

92.7

G3

45

93.1

91.7

89.2

  

p = 0.203

p = 0.354

p = 0.510

ECE

    

(-) or unknown

97

95.5

91.3

90.2

(+)

33

96.8

100.0

95.2

  

p = 0.639

p = 0.117

p = 0.332

LVI

    

(-) or unknown

67

96.4

95.0

93.3

(+)

63

95.1

91.6

89.7

  

p = 0.639

p = 0.927

p = 0.768

RM

    

(-)

118

96.2

94.9

92.7

close or (+)

12

91.7

83.3

83.3

  

p = 0.431

p = 0.213

p = 0.268

Surgery

    

BCS

67

98.5

95.5

95.5

MRM

63

93.1

91.9

88.1

  

p = 0.160

p = 0.556

p = 0.345

Regional RT

    

no

115

96.2

93.3

91.2

yes

15

93.3

93.3

93.3

  

p = 0.503

p = 0.976

p = 0.935

Chemotherapy

    

no

13

92.3

79.1

79.1

yes

117

96.3

94.9

92.8

  

p = 0.401

p = 0.104

p = 0.173

  1. Abbreviations: LRRFS, locoregional recurrence-free survival; DMFS, distant metastasis-free survival; DFS, disease-free survival; ER, estrogen receptor; PR, progesterone receptor; ECE, extracapsular extension; LVI, lymphovascular invasion; RM, resection margin; BCS, breast-conserving surgery; MRM, modified radical mastectomy