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Table 1 Clinical and pathological characteristics of AA and CAU breast cancer in Atlanta

From: Enhanced down-regulation of ALCAM/CD166 in African-American Breast Cancer

Characteristics

CAU (n = 95)

AA (n = 78)

p value

n

%

n

%

 

Age at diagnosis

    

0.99

≤ 50 years

29

30.5

23

29.5

 

> 50 years

66

69.5

55

70.5

 

Histological type

    

0.003*

Ductal

74

77.8

76

97.4

 

Lobular

7

7.4

2

2.6

 

Ductal/Lobular

7

7.4

0

  

Missing

7

7.4

   

Histological grade

    

0.069

G1

29

30.5

16

20.5

 

G2

44

46.3

29

37.2

 

G3

17

17.9

24

30.8

 

Missing

5

5.3

9

11.5

 

Tumor size

    

0.026*

T1

69

72.6

34

43.6

 

T2

15

15.8

20

25.6

 

T3-T4

6

6.3

7

9.0

 

Missing

5

5.3

17

21.8

 

Lymph node status

  

0.68

Negative

48

50.5

38

48.7

 

Positive

25

26.3

23

29.5

 

Missing

22

23.2

17

21.8

 

AJCC stage

    

0.65

I

40

42.1

28

35.9

 

II

22

23.2

18

23.1

 

III-IV

11

11.5

12

15.4

 

Missing

22

23.2

20

25.6

 

ER status

    

0.001*

Negative

15

15.8

30

38.5

 

Positive

70

73.7

45

57.7

 

Missing

10

10.5

3

3.8

 

PR status

    

0.081

Negative

28

29.5

34

43.6

 

Positive

57

60

41

52.6

 

Missing

10

10.5

3

3.8

 

HER2-neu status

    

0.13

Negative

67

70.5

65

83.4

 

Positive

19

20

9

11.5

 

Missing

9

9.5

4

5.1

 

Triple negative

    

0.0008*

Yes

10

10.5

25

32.0

 

No

74

77.9

51

65.4

 

Missing

11

11.6

2

2.6

 
  1. AJCC: American Joint Committee on Cancer; CAU: Caucasian; AA: African-American; ER/PR: estrogen/progesterone receptor; HER2-NEU: human epidermal growth receptor 2. *Age-adjusted.
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