Table 1 Clinical and histopathological characteristics of the Hamburg and the Innsbruck cohorts of breast cancer patients

Total number of cases

219

60

Patient data available

198

53

Date of surgery:

1990 - 2003

2001 - 2010

Age:

  Mean (year)

56.8

58.7

  Median (year)

56.6

58.5

  Range

29.3 - 93.5

33 - 84

Stage (pT)

  1

51

3

  2

122

27

  3

10

28

  4

10

0

  Unknown

5

2

Nodal status

  Negative

137

33

  Positive

60

25

  Unknown

1

2

Grading

  G1

20

1

  G2

81

42

  G3

92

15

  Unknown

5

0

Histological type

  Ductal

141

60

  Lobular

31

0

  Others

22

0

  Unknown

4

0

Estrogen receptor (ER) status¹

  Positive

149

0

  Negative

41

60

  Unknown

8

0

Progesterone receptor (PR) status¹

  Positive

125

0

  Negative

65

60

  Unknown

8

0

HER2 (ErbB2) status²

  Positive

44

0

  Negative

152

60

  Unknown

2

0

Molecular subtype²

  Luminal

121

0

  HER2-positive

45

0

  Triple-negative

30

60

  Unknown

2

0

Adjuvant chemotherapy

  Yes

124

56

  No

69

2

  Unknown

5

2

Follow-up period (months)

  Mean

120.4

67.4

  Median

132.0

62.9

Recurrences

72

9

Died of disease

56

8