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Table 1 Patient and tumor characteristics

From: Contemporary multidisciplinary treatment of pregnancy-associated breast cancer

 Demographic (N = 74)

Number

Percent

 Age at diagnosis (years)

 Less than 30

11

14.9

 30-34

26

35.1

 35-39

29

39.2

 ≥40

8

10.8

 Median age at diagnosis:34 (range 25–40)

 Gestational age at diagnosis (weeks)

 0-12 (1st trimester)

25

33.8

 13-27 (2nd trimester)

30

40.5

 28-40 (3rd trimester)

19

25.7

 Race

 White

63

85.1

 Black

4

5.4

 Hispanic

3

4.1

 Asian

4

5.4

 Year of diagnosis

 1996-1999

9

12.2

 2000-2004

19

25.7

 2005-2009

31

41.9

 2010-2012

15

20.3

 Outcome of pregnancy

 Delivery of liveborn infant(s)

68

91.9

 Miscarried in 1st trimester

1

1.4

 Terminated in 1st trimester

5

6.8

 Disease stage

 0

1

1.4

 I

19

25.7

 II

42

56.8

 III

10

13.5

 IV

2

2.7

 Tumor subtype

 ER/PR Positive

46

62.2

 HER2 Positive

25

33.8

 Triple Negative

14

18.9

 BRCA status

 Genetic testing performed

50

67.6

   BRCA 1 or 2 positive (N = 50)

6

12.0

   BRCA 1 and 2 negative (N = 50)

44

88.0

 Genetic testing not performed

24

32.4

  1. Abbreviations: ER estrogen receptor, PR progesterone receptor, HER2 human epidermal growth factor receptor 2.