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Table 1 Patient characteristics

From: EP3 (prostaglandin E2 receptor 3) expression is a prognostic factor for progression-free and overall survival in sporadic breast cancer

   n (%)    n (%)
histology     tumor grade    
  NST 144 (49.8)   G1-G2 107 (70.9)
  non NST 145 (50.2)   G3 44 (29.1)
tumor foci     PR    
  unifocal 151 (52.2)   negative 119 (41.2)
  ≥ 2 foci 138 (47.8)   positive 170 (58.8)
pT     HER2    
  pT1 193 (66.8)   negative 246 (87.5)
  pT2-pT4 96 (33.2)   positive 35 (12.5)
pN     age (years)    
  pN0 165 (57.5)   median 58.0  
  pN1-pN3 122 (42.5)   range 69  
ER
  negative 55 (19.0)     
  positive 234 (81.0)     
  1. NST no special type, ER estrogen receptor, PR progesteron receptor