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Table 1 Demographic characteristics stratified by surgery type (N = 112,963)

From: Her2 positivity and race predict higher mastectomy rates: a SEER database analysis

 

Lumpectomy N (%)

Mastectomy N (%)

p

Age

 15–49

11,532 (17)

13,011 (29)

<0.0001

 50–85+

56,607 (83)

31,813 (71)

 

Race

 White

55,666 (82)

35,341 (79)

<0.0001

 Black

6865 (10)

4,683 (10)

 

 Other

5,608 (8)

4,800 (11)

 

Tumor size

 T1

51,079 (75)

24,200 (54)

<0.0001

 T2

17,060 (25)

20,624 (46)

 

Biologic subtype

 HR+/Her2+

5,775 (8)

5,294 (12)

<0.0001

 HR−/Her2+

2,008 (3)

2,500 (6)

 

 HR+/Her2-

53,214 (78)

31,604 (70)

 

 Triple negative

7,142 (10)

5,426 (12)

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