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Table 1 Main patient characteristics

From: Recurrence and mortality according to Estrogen Receptor status for breast cancer patients undergoing conservative surgery. Ipsilateral breast tumour recurrence dynamics provides clues for tumour biology within the residual breast

  All ERP ERN
Total number 2825 1811 482
Age    
≤ 45 972 551 184
46 - 55 992 643 179
56 - 65 631 453 89
>65 230 164 30
Menopausal status    
Pre 1613 972 291
Post 1201 837 190
Unknown 11 3 1
Tumor size    
≤ 2 cm 2428 1558 383
> 2 cm 397 253 99
Nodal status    
N- 1745 1097 299
N + (1-3) 771 504 122
N + (>3) 309 210 61
Adjuvant therapy (for N + patients)    
none 68 39 12
CMF ± Dx 790 513 145
Tamoxifen 153 120 17
Other 10 5  
Unknown 59 37 9