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Table 1 Patient characteristics

From: Evaluation of Ki-67 proliferation and apoptotic index before, during and after neoadjuvant chemotherapy for primary breast cancer

   n Percentage
Age: median   51 years  
Age: range   29–65  
Menstrual status Pre 14 52
  Peri 6 22
  Post 7 26
Clinical TNM stage at diagnosis T2 12 44
  T3 13 48
  T4 2 7
Clinical node status N0 17 63
  N1 10 37
Breast Right 15 56
  Left 12 44
Breast surgery Wide excision 12 44
  Mastectomy 15 56
Postoperative radiotherapy Nil 2 7
  Breast 12 44
  Chest wall 13 48
ER status (biopsy) ER-positive 15 56
  ER-negative 12 44
HER-2 status (biopsy) HER-2-positive 11 41
  HER-2-negative 16 59
Tumour grade Unknown* 5 19
  G1 2 7
  G2 9 33
  G3 11 41
Pathological T stage pCR 0 0
  pT1 8 30
  pT2 17 63
  pT3 2 7
Pathological N stage pN0 11 41
  pN1 12 44
  pNX 4 15
  1. *Grading not possible due to chemotherapy artefact. ER, oestrogen receptor; HER-2, human epidermal growth factor 2; TNM, tumour, node, metastasis.