Age group (in Years)

40 - 64 (%)

65 - 74 (%)

³75 (%)

p value

Surgery

Stage 1 (n)

179

31

19

Mastectomy

115 (64.2)

27 (87.1)

17 (89.5)

0.013

Conservation

63 (35.2)

4 (12.9)

2 (10.5)

None

1 (0.6)

0 (0.0)

0 (0.0)

Stage 2 (n)

298

75

40

Mastectomy

242 (81.2)

70 (93.3)

35 (87.5)

0.007

Conservation

55 (18.5)

4 (5.3)

4 (10.0)

None

1 (0.3)

1 (1.3)

1 (2.5)

Stage 3 (n)

124

27

19

Mastectomy

113 (91.1)

25 (92.6)

16 (84.2)

0.029

Conservation

10 (8.1)

0 (0.0)

1 (5.3)

None

1 (0.8)

2 (7.4)

2 (10.5)

Stage 4# (n)

41

14

24

1

Mastectomy

26 (63.4)

10 (71.4)

8 (33.3)

0.050

Conservation

2 (4.9)

1 (7.1)

1 (4.2)

None

13 (31.7)

3 (21.4)

15 (62.5)

Breast reconstruction^

40 (6.3)

1 (0.7)

0 (0.0)

<0.001

Adjuvant Therapy*

Stage 1

Adjuvant

135 (77.1)

19 (65.5)

10 (55.6)

0.079

Chemotherapy

49 (28.8)

1 (3.4)

0 (0.0)

<0.001

Radiotherapy

62 (36.5)

4 (13.8)

1 (5.6)

0.002

Hormone

95 (55.6)

18 (62.1)

10 (55.6)

0.804

Stage 2

Adjuvant

262 (91.3)

61 (87.1)

22 (59.5)

<0.001

Chemotherapy

197 (68.6)

15 (21.7)

1 (2.7)

<0.001

Radiotherapy

100 (35.3)

11 (15.9)

5 (13.5)

<0.001

Hormone

174 (61.5)

55 (78.6)

23 (62.2)

0.024

Stage 3

Adjuvant

102 (90.3)

25 (96.2)

10 (66.7)

0.015

Chemotherapy

98 (86.7)

14 (60.9)

1 (6.7)

<0.001

Radiotherapy

94 (83.9)

19 (79.2)

2 (13.3)

<0.001

Hormone

65 (59.1)

18 (75.0)

9 (60.0)

0.377

Stage 4#

Palliative

Chemotherapy

17 (50.0)

0 (0.0)

0 (0.0)

<0.001

Radiotherapy

12 (37.5)

2 (15.4)

5 (21.7)

0.292

Hormone

22 (64.7)

7 (53.8)

16 (69.6)

0.643