Table 1 Patient demographics according to group (MG versus A-MRI + MG)

Age (years)

 Mean

59.0

58.2

0.44

 Median

58.5

58

 Range

35–80

38–83

Family history breast and/ or ovarian cancer

 Yes

26

28%

32

31%

0.63

 No

68

72%

71

68%

0.53

 Unknown

0

0%

1

1%

0.34

Surgery modality

 Lumpectomy

52

55%

69

66%

0.11

 Mastectomy

42

45%

35^a

34%

0.11

Months since diagnosis

 < 24

42

45%

44

42%

0.73

 24 ≤ x < 60

37

39%

39

38%

0.79

 60 ≤ x ≤ 120

13

14%

14

13%

0.94

 > 120

2

2%

6

6%

0.19

 Unknown

0

0%

1

1%

0.34

Breast density

 ACR A

4

4%

7

7%

0.45

 ACR B

45

48%

46

44%

0.61

 ACR C

44

47%

45

43%

0.50

 ACR D

1

1%

6

6%

0.73

Tumor histology

 Ductal carcinoma in situ

2

2%

7

7%

0.12

 Invasive ductal carcinoma

84

89%

89

86%

0.31

 Invasive lobular carcinoma

6

6%

8

8%

0.74

 Mucinous carcinoma

1

1%

0

0%

NA

 Unknown

1

1%

0

0%

NA

Tumor stage of initial invasive cancer

 T1

51

54%

44

42%

0.19

 T2

27

29%

38

37%

0.14

 T3

5

5%

8

8%

0.43

 T4

8

9%

5

5%

0.35

 NA

1

1%

2

2%

0.59

 N0,NX

51

54%

54

52%

0.92

 N1

31

33%

33

32%

0.92

 M0

94

100%

104

100%

NA

Hormone receptor status invasive cancer

 ER positive Her2 negative

69

73%

66

63%

0.33

 Her2 positive

12

13%

19

18%

0.21

 Triple negative

6

6%

12

12%

0.16

 Unknown

4

4%

0

0%

NA