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Table 1 Characteristics of patients (N=681) and tumours

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

Variables

N (681)

%

Mean (SD)

Median [min;max]

Age at diagnosis (years)

681

 

81.3 (5.2)

80.0 [75;98]

Pathological tumor size (mm)

546

 

27.0 (19.8)

22.0 [2;160]

Nodes removed

612

 

8.2 (6.3)

8.0 [0;32]

Positive nodes

519

 

2.0 (4.0)

0.0 [0;32]

Age

    

75-79

310

45.5

  

80-84

208

30.5

  

≥ 85

163

23.9

  

Unknown

0

0.0

  

T stage

    

T0

8

1.2

  

T1

214

31.4

  

T2

186

27.3

  

T3

19

2.8

  

T4

108

15.9

  

Unknown

146

21.4

  

N stage

    

N0

451

66.2

  

N1

112

16.4

  

N2

10

1.5

  

N3

2

0.3

  

Unknown

106

15.6

  

M stage

    

M0

579

85.0

  

M1

64

9.4

  

Unknown

38

5.6

  

pT stage

    

p T1

259

38.0

  

p T2

206

30.2

  

p T3

20

2.9

  

p T4

64

9.4

  

p T*

130

19.1

  

Unknown

2

0.3

  

pN stage

    

p N0

288

42.3

  

p N1

227

33.3

  

pN*

129

18.9

  

Unknown

37

5.4

  

pM stage

    

p M0

576

84.6

  

p M1

64

9.4

  

Unknown

41

6.0

  

pT stage†

    

pT0

1

0.1

  

p T1

282

41.4

  

p T2

245

36.0

  

p T3

26

3.8

  

p T4

104

15.3

  

Unknown

23

3.4

  

pN stage†

    

p N0

350

51.4

  

p N+

269

39.5

  

Unknown

62

9.1

  

pM stage†

    

p M0

576

84.6

  

p M1

64

9.4

  

Unknown

41

6.0

  

Nodes removed

    

Nodes ≤10

389

57.1

  

Nodes > 10

223

32.7

  

Unknown

69

10.1

  

Positive nodes

    

0

290

42.6

  

1 - 3

136

20.0

  

≥ 4

93

13.7

  

Unknown

162

23.8

  

Histoprognostic SBR grade

    

1

132

19.4

  

2

350

51.4

  

3

160

23.5

  

Unknown

39

5.7

  

Diagnosis circumstances

    

Clinic

471

69.2

  

Individual screening

109

16.0

  

Unknown

101

14.8

  

Place of residence

    

Urban

474

69.6

  

Rural

203

29.8

  

Unknown

4

0.6

  

Hormone receptors

    

Positive

590

86.6

  

Negative

80

11.7

  

Unknown

11

1.6

  

Comorbidities

    

Yes

419

61.5

  

No

163

23.9

  

Unknown

99

14.5

  

Period

    

1998-2003

321

47.1

  

2004-2008

360

52.9

  

Unknown

0

0.0

  

Matrimonial status

    

Not single

183

26.9

  

Single‡

288

42.3

  

Unknown

210

30.8

  

Having a family doctor

    

Yes

621

91.2

  

No

51

7.5

  

Unknown

9

1.3

  

Vital status

    

Dead

305

44.8

  

Alive

376

55.2

  

Unknown

0

0.0

  
  1. Abbreviations: N = number of patients; % = percentage; SD = standard deviations. *Patients without surgery;
  2. †For patients without surgery pTNM stage was replaced by TNM; Patient single, divorced or widowed.