Table 3 Univariable survival analyses of breast cancer-specific survival and overall survival

 pT1

7/44

1

11/44

1

 pT2

9/42

1.47

0.55–3.96

0.439

16/42

1.70

0.79–3.67

0.169

 pN0

4/33

1

9/33

1

 pN+

12/52

2.00

0.64 –6.19

0.222

18/52

1.33

0.60–2.96

0.484

 1

3/16

1

6/16

1

 2

10/57

0.94

0.26–3.42

0.924

16/57

0.76

0.30–1.94

0.564

 3

3/11

1.48

0.30–7.35

0.631

5/11

1.30

0.40–4.28

0.661

 1 + 2

13/73

1

22/73

1

 3

3/11

1.56

0.44–5.46

0.335

5/11

1.61

0.61–4.25

0.335

 < 55 years

7/35

1

7/35

1

 ≥ 55 years

9/51

0.93

0.35–2.51

0.890

20/51

2.09

0.89–4.95

0.085

 ≥ 10%

15/75

1

26/75

1

 < 10%

1/7

0.63

0.08–4.73

0.646

1/7

0.36

0.05–2.65

0.294

 ≥ 10%

11/55

1

17/55

1

 < 10%

4/27

0.72

0.23–2.25

0.566

9/27

0.98

0.43–2.19

0.951

 Yes

6/30

1

6/30

1

 No

10/56

0.93

0.34–2.57

0.893

21/56

1.97

0.80–4.89

0.135

 > 16.7

13/79

1

21/79

1

 ≤ 16.7

3/7

3.81

1.07–13.56

0.026

6/7

5.37

2.14–13.51

< 0.001

 > 3.26 nM

12/76

1

20/76

1

 ≤ 3.26 nM

4/10

3.56

1.14–11.11

0.020

7/10

4.05

1.70–9.64

0.001

 > 9.00 nM

13/79

1

22/79

1

 ≤ 9.00 nM

3/7

3.73

1.05–13.23

0.029

5/7

4.03

1.51–10.74

0.003