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Table 1 Patients characteristics

From: Matrix metalloproteinase 1 and circulating tumor cells in early breast cancer

Variable N %
All 149 100.0
T-stage   
1 105 70.5
> 1 44 29.5
N-stage   
0 91 61.1
> 1 58 38.9
Grade   
1 and 2 95 63.8
3 54 36.2
Histology   
IDC 128 85.9
Other 21 14.1
Hormone receptor status   
Negative 19 12.8
Positive 130 87.2
HER2 status   
Negative 127 85.2
Amplified 22 14.8
Ki 67 (cut-off 20%)   
Low 92 61.7
High 57 38.3
Lymphovascular invasion   
Present 35 23.5
Absent 114 76.5
Baseline CTC   
CTC Epithelial   
Negative 133 89.3
Positive 16 10.7
CTC EMT   
Negative 126 84.6
Positive 23 15.4
CTC Any   
Negative 113 75.8
Positive 36 24.2