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Table 2 Treatment description by period

From: Population-based study of breast cancer in older women: prognostic factors of relative survival and predictors of treatment

Period

1998-2003 (N= 321)

2004-2008 (N=360)

p value*

All cases (N=681)

Treatments

321

%

360

%

681

%

No treatment

    

0.65

  

Yes

10

3.1

9

2.5

 

19

2.8

No

306

95.3

340

94.4

 

646

94.9

Unknown

5

1.6

11

3.1

 

16

2.3

Surgery alone

    

<0.001

  

Yes

36

11.2

16

4.4

 

52

7.6

No

254

79.1

328

91.1

 

582

85.5

Unknown

31

9.7

16

4.4

 

47

6.9

Hormone therapy

    

0.001

  

Yes

21

6.5

53

14.7

 

74

10.9

No

264

82.2

282

78.3

 

546

80.2

Unknown

36

11.2

25

6.9

 

61

9.0

Breast conserving surgery plus adjuvant therapy

   

0.63

  

Yes

113

35.2

125

34.7

 

238

34.9

No

193

60.1

231

64.2

 

424

62.3

Unknown

15

4.7

4

1.1

 

19

2.8

Mastectomy plus adjuvant therapy

    

0.52

  

Yes

95

29.6

116

32.2

 

211

31.0

No

210

65.4

230

63.9

 

440

64.6

Unknown

16

5.0

14

3.9

 

30

4.4

Others†

    

0.43

  

Yes

10

3.1

16

4.4

 

26

3.8

No

275

85.7

319

88.6

 

594

87.2

Unknown

36

11.2

25

6.9

 

61

9.0

  1. Abbreviations: N = number of patients.
  2. *Chi 2 test.
  3. †Others: chemotherapy alone, radiotherapy alone, chemotherapy plus hormone therapy, chemotherapy plus radiotherapy, radiotherapy plus hormone therapy, chemotherapy plus radiotherapy plus hormone therapy, neoadjuvant chemotherapy plus surgery plus adjuvant therapy, neoadjuvant chemotherapy plus surgery.