Table 1 Patient characteristics by race

Age, years (mean ± SD)

50.9 ± 13.5

56.3 ± 13.6

.163

 Minimum

26

30

 Median

50

53

 Maximum

76

82

Menopausal status

.232

 Premenopausal

17

48.6

21

36.2

 Postmenopausal

18

51.4

37

63.8

Histology

.696

 Ductal

33

94.3

50

86.2

 Other

2

3.45

8

13.8

Clinical Stage

.564

 I

7

20.0

16

27.6

 II

20

57.1

28

48.2

 III

4

11.4

14

24.1

 IV

5

14.3

1

1.72

Grade

.685

 I/II

0

0

8

13.8

 III

33

94.3

47

81.0

 Unknown

2

5.71

3

5.17

Neo/Adj chemotherapy

.121

 Yes

30

85.7

45

77.6

 No

3

8.57

10

17.2

 Unknown

2

5.71

3

5.17

Adjuvant radiotherapy

.143

 Yes

17

47.2

25

41.7

 No

19

52.8

35

58.3