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Table 1 Subject characteristics and risk factors

From: Isolated radial scar diagnosis by core-needle biopsy: Is surgical excision necessary?

Characteristic

Those who underwent surgical excision (n = 63)

Those who did not undergo surgical excision (n = 25)

P value

Age—n (%)

  

0.77

 <39

3 (5)

1 (4)

 

 40–49

19 (30)

7 (28)

 

 50–59

17 (27)

8 (32)

 

 60–69

16 (25)

8 (32)

 

 >70

8 (13)

1 (4)

 

 Unknown

0 (0)

0 (0)

 

Age—mean (SD)

56 (12)

56 (10)

0.84

Family history—n (%)

  

0.23

 No

45 (71)

17 (68)

 

 Yes

5 (8)

0 (0)

 

 Unknown

13 (21)

8 (32)

 

Race/ethnicity—n (%)

 

0.53

 White

43 (68)

22 (88)

 

 Hispanic

0 (0)

0 (0)

 

 American Indian/Alaska Native

1 (2)

0 (0)

 

 Asian

1 (2)

0 (0)

 

 African American

2 (3)

0 (0)

 

 Filipino

1 (2)

0 (0)

 

 Unknown

15 (24)

3 (12)

 

BMI—mean (SD)

27 (6)

30 (8)

0.19

Tobacco—n (%)

  

0.24

 Current

4 (6)

3 (12)

 

 Never

37 (59)

10 (40)

 

 History

12 (19)

4 (16)

 

 Unknown

10 (16)

8 (32)

 

Active alcohol use—n (%)

  

0.16

 No

20 (31)

4 (16)

 

 Yes

27 (43)

10 (40)

 

 Unknown

16 (25)

11 (44)

 

Density, mammographic—n (%)

  

0.29

 <25 %

1 (2)

1 (4)

 

 >25–50 %

11 (17)

9 (36)

 

 >50–75 %

39 (62)

12 (48)

 

 >75 %

3 (5)

0 (0)

 

 Unknown

9 (14)

3 (12)