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Table 1 Demographic and clinical patient characteristics of primary breast carcinomas (n = 150)

From: Wnt signalling in human breast cancer: expression of the putative Wnt inhibitor Dickkopf-3 (DKK3) is frequently suppressed by promoter hypermethylation in mammary tumours

Variable

Categorisation

n1

%

Clinicopathological factors

   

Age at diagnosis

   
 

median: 57 years (range 28 to 86 years)

  
 

<57 years

74

49.3

 

= 57 years

76

50.7

Tumour size2

   
 

pT1

59

39.3

 

pT2

70

46.7

 

pT3

8

5.3

 

pT4

10

6.7

 

pTx

3

2.0

Lymph node status2

   
 

pN0

72

48.0

 

pN1 to 3

71

47.3

 

PNx

7

4.7

Histological grade

   
 

G1

13

8.7

 

G2

75

50.0

 

G3

62

41.3

Histological type

   
 

Ductal

122

81.3

 

Lobular

19

12.7

 

Other

9

6.0

Immunohistochemistry

   

Oestrogen receptor

   
 

Negative (IRS3 0 to -2)

47

31.3

 

Positive (IRS 3 to 12)

98

65.3

 

n.a.

5

3.3

Progesterone receptor

   
 

Negative (IRS3 0 to 2)

51

34.0

 

Positive (IRS 3 to 12)

94

62.7

 

n.a.

5

3.3

  1. 1Only female patients with unilateral invasive breast cancer were included. 2According to International Union Against Cancer: TNM Classification of Malignant Tumours [32].3IRS = immunoreactivity score [35]. n.a. = not available.