Table 1 Clinicopathological characteristics of included breast samples

Number of samples (%)

39

23.5

33

19.9

80

48.2

5

3

4

2.4

5

3

Age, years

9.56°10⁻⁹*ǂ

 Median

43

N/A

46

N/A

58

N/A

31

N/A

36.5

N/A

22

N/A

0.549^B

 Range

30–80

N/A

21–69

N/A

29–86

N/A

29–33

N/A

35–38

N/A

18–52

N/A

Grade^C

0.00007*^ǂǂ

 1

0

0

1

3

20

25.3

 2

9

23.1

10

30.3

25

31.6

 3

30

76.9

22

66.7

34

43

Tumor type

0.230^ǂǂ

 Ductal

34

87.2

29

87.9

69

86.3

 Lobular

2

5.1

2

6.1

10

12.5

 Other

3

7.7

2

6.1

1

1.3

ER

0.0004*^ǂǂǂ

 Negative

26

66.7

8

24.2

23

28.8

 Positive

13

33.3

25

75.8

57

71.3

PR

0.001*^ǂǂǂ

 Negative

29

74.4

17

51.5

30

37.5

 Positive

10

25.6

16

48.5

50

62.5

HER2

0.68^ǂǂ

 Negative

38

97.4

32

97

75

93.8

 Positive

1

2.6

1

3

5

6.3