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Table 1 Patient characteristics

From: Cytokeratin 20 positive circulating tumor cells are a marker for response after neoadjuvant chemoradiation but not for prognosis in patients with rectal cancer

Characteristics Category Number Percent
Sex Male 141 52.8
  Female 126 47.2
Age Yearsa 64.4 (30–90)  
UICC stage I 82 30.7
  II 72 27
  III 85 31.8
  IV 28 10.5
Neoadjuvant RCTX Yes 79 29.6
  No 188 70.4
Adjuvant RCTX Yes 63 23.5
  No 204 76.5
Responder RCTX Yes 22 27.8
  No 57 72.2
Tumor localisation Upper 1/3 94 35.2
  Middle 1/3 109 40.8
  Lower 1/3 63 23.6
Blood CK20 Negative 173 64.8
  Positive 80 30
  Not done 14 5.2
  1. aData are expressed as means (range)