Table 3 Analysis of the correlation between the BRCA1 results and clinicopathological parameters in the young groups and old groups

—

+

—

+

ER

0.042

0.540

—

13

23

21

10

+

24

47

51

30

PR

0.073

0.282

—

20

29

42

25

+

17

41

30

15

C-erbB2

0.051

0.452

—

29

49

59

34

+

8

21

13

6

Ki67

0.074

0.272

<15%

12

31

29

21

≥15%

25

39

43

19

WWOX

−0.145

0.128

—

6

8

7

8

+

31

62

65

32

Histological grades

0.077

0.260

I

2

1

10

9

II

26

43

53

28

III

9

26

9

3

PTNM

0.158

0.020 *

0~I

5

9

25

11

II

21

34

38

21

III

11

27

9

8

Axillary lymph node metastasis

0.205

0.002*

Yes

23

48

22

18

No

14

22

50

22