Table 2 Chemotherapies and endocrine therapies for the treatment of recurrent breast cancer for the two cohorts

Hormone therapy, %

   Tamoxifen

65

38*

62

26

   Medroxyprogesterone acetate

80

47*

35

15

   Aromatase inhibitors

19

11*

130

55

Chemotherapy, %

   Anthracyclines

81

48*

51

22

   Taxanes

43

25*

110

46

   Vinorelbine

4

2.4*

60

25

   Capecitabine

13

7.6*

100

42

   Mitomycin

82

49*

2

0.8

HER2 targeting therapy, %

   Trastuzumab

5

2.9*

51

22