Table 1

The correlation between the expression of BCRP and the clinicopathological parameter

Patients

BCRP expression

P value

n (%)

negative

low

high

Age

0.801

≤ 50 years

80

10

38

32

> 50 years

116

16

59

41

Histology-type

0.711

IDC

155

20

75

60

IDC with others

41

6

22

13

Histology-grade

0.424

G1/G2

143

19

67

57

G3

53

7

30

16

Tumour size

0.210

≤ 2.0 cm

97

9

48

40

> 2.0 cm

99

17

49

33

LNM

0.049*

-

103

8

56

39

+

93

18

41

34

ER

0.136

-/+

96

14

53

29

++/+++

100

12

44

44

PR

0.693

-/+

128

18

65

45

++/+++

68

8

32

28

HER2

0.001*

-/+

138

18

57

63

++/+++

58

8

40

10

Ki67

0.906

Positive ≤ 50%

154

21

75

58

Positive > 50%

42

5

22

15

Clinical stage

0.015*

Stage I

60

2

32

26

Stage IIa and IIb

86

11

44

31

StageIIIa and IIIb

50

13

21

16

P values were evaluated by chi-square test or the Fisher's exact test. *P < 0.05.

Xiang et al. Diagnostic Pathology 2011 6:90   doi:10.1186/1746-1596-6-90