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Table 1 Characteristics of the first series of 100 ERα-positive breast tumor patients, and relation to RFS

From: Identification of a three-gene expression signature of poor-prognosis breast carcinoma

   RFS
  Number of patients Number of events (%)a P valueb
Age    NS (0.68)
   ≤50 32 11 (34.3)  
   >50 68 26 (38.2)  
SBR histological grade c    NS (0.14)
   I 16 3 (18.7)  
   II 51 21 (41.1)  
   III 26 13 (50.0)  
Lymph node status    0.042
   Node-negative 34 7 (20.5)  
   Node-positive 66 30 (45.4)  
Macroscopic tumor size d    NS (0.97)
   ≤30 mm 69 26 (37.6)  
   >30 mm 24 10 (41.6)  
  1. a: First relapses (local and/or regional recurrences, and/or metastases).
  2. b: Log-rank test. NS, not significant.
  3. c: Scarff Bloom Richardson classification. Information available for 93 patients.
  4. d: Information available for 93 patients.