Table 2 Correlations between ENE in SLN and non-SLN metastasis.

From: Clinical significance of extranodal extension in sentinel lymph node positive breast cancer

Variables

Univariate analysis

Multivariate analysis

OR

95% CI

P value

OR

95% CI

P value

Age (Y)

 < 50

1

   

 ≥ 50

0.8

0.49–1.30

0.359

   

Pathological T stage

T1

1

   

T2

1.13

0.70–1.83

0.62

   

Histological grade

2

1

   

3

0.88

0.54–1.43

0.602

   

No. of SLN metastasis

 ≤ 2

1

1

 > 2

2.84

1.50–5.37

0.001

1.59

0.73–3.44

0.243

Pattern of SLN metastasis

Micrometastasis

1

1

Macrometastasis

5.09

2.03–12.75

0.001

2.1

0.69–6.39

0.193

ENE

Negative

1

1

Positive

7.77

4.39–13.76

 < 0.001

4.8

2.47–9.34

 < 0.001

ER status

Negative

1

   

Positive

2.43

1.27–4.63

0.007

1.11

0.37–3.35

0.856

PR status

Negative

1

1

Positive

2.93

1.64–5.23

 < 0.001

1.6

0.61–4.21

0.338

HER2 status

Negative

1

   

Positive

0.38

0.20–0.74

0.004

0.31

0.12–0.75

0.010

Molecular subtype

Luminal A-like

1

   

Luminal B-like

0.78

0.54–1.60

0.78

   

HER2 overexpreesion

0.26

0.09–1.37

0.053

   

TNBC

0.41

0.15–1.12

0.082

   

Lympho-vascular invasion

No

1

1

Yes

7.23

4.21–12.43

 < 0.001

6.02

3.24–11.18

 < 0.001

  1. ER estrogen receptor, PR progesterone receptor, HER2 human epidermal growth factor receptor 2, ENE extranodal extension, SLN sentinel lymph node, TNBC triple negative breast cancer.