Table 1 Baseline characteristics of the cohort of female breast cancer patients diagnosed in Geneva between 1970 and 2009

Age at diagnosis (mean, SD)

61,5 (0,14)

66,8 (0,21)

Age groups

0-50

2′422

23.0

749

14.8

50-59

2′469

23.4

831

16.4

60-69

2′383

22.6

1′055

20.8

70-79

1′949

18.5

1′317

26.0

80+

1′311

12.5

1′113

22.0

Period of diagnosis

1970-79

1′890

17.9

1′576

31.1

1980-89

2′192

20.8

1′552

30.6

1990-99

2′896

27.5

1′302

25.7

2000-09

3′556

33.8

635

12.5

Socioeconomic status

High

1′620

15.4

597

11.8

Middle

5′092

48.3

2′171

42.9

Low

2′390

22.7

1′484

29.3

Unknown

1′432

13.6

813

16.1

Stage

I

3′434

32.6

1′014

20.0

II

4′355

41.3

2′044

40.4

III

1′219

11.6

807

15.9

IV

585

5.6

490

9.7

Unknown

941

8.9

710

14.0

Treatment

Surgery only

1′890

17.9

1′252

24.7

Surgery + adjuvant

7′340

69.7

2′693

53.2

No treatment

473

4.5

421

8.3

Hormones only

547

5.2

448

8.8

Others

284

2.7

251

5.0

Sector of care

Private

5′122

48.6

2′028

40.0

Public

5′412

51.4

3′037

60.0

Total

10′534

100.0

5′065

100.0