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Table 1 Demographics of the samples chosen for the study

From: Next generation sequencing profiling identifies miR-574-3p and miR-660-5p as potential novel prognostic markers for breast cancer

Characteristics Discovery cohort External validation cohort
(n = 104) (n = 84)
Median age at diagnosis in years (range) 50 (24 – 79) 54.5 (35 – 90)
Median follow up time from diagnosis in days (range) 2927.5 (170 – 6125) 1881.5 (174 – 3807)
Molecular subtypes
   Luminal A 62 51
   Luminal B 2 0
   Luminal B HER2 10 18
   Triple Negative 30 15
Menopausal status
   Pre 37 24
   Post 75 46
   Peri 11 3
   Unknown 1 11
Family history of Breast Cancer
   Yes 40 N/A
   No 58 N/A
   Unknown 6 N/A
Stage   
   I 8 25
   II 79 47
   III 16 12
   IV 1 0
Overall Grade
   Low 36 N/A
   High 67 N/A
   Unknown 1 N/A
Vital Status   
   Alive 58 57
   Dead 46 27
Relapse Status
Relapse 61 N/A
No relapse 43 N/A
Treatment type
   Adjuvant 79 84
   Neoadjuvant 25 0
  1. N/A = Not available