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Table 1 Clinical data of patients

From: ERalpha-status of disseminated tumour cells in bone marrow of primary breast cancer patients

 

n = 254

BM positive (%)

p-value*

Total

254

107 (42)

 

Menopausal status

   

   Premenopausal

79

33 (42)

0.94

   Postmenopausal

175

74 (42)

 

Tumour size

   

   pT1

148

60 (41)

0.77

   pT2-4

103

46 (45)

 

Nodal status

   

   Node negative

149

62 (42)

0.88

   Node positive

101

43 (43)

 

Histology

   

   Ductal

177

74 (42)

0.12

   Lobular

57

21 (37)

 

   Others

17

11 (65)

 

Grading

   

   I to II

217

91 (42)

0.85

   III

32

14 (44)

 

ER status

   

   Negative

42

19 (45)

0.83

   Positive

208

88 (42)

 

PR status

   

   Negative

69

26 (38)

0.39

   Positive

181

79 (44)

 

HER2

   

   Negative (0/+1)

211

94 (45)

0.08

   Positive (+2/+3)

32

9 (28)

 
  1. * by Chi-squared test. BM = bone marrow; ER = oestrogen receptor; HER2 = human epidermal growth factor receptor 2; PR = progesterone receptor.