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Table 1 Clinical and pathological features of the patient groups according to Fisher’s test

From: MicroRNA expression as risk biomarker of breast cancer metastasis: a pilot retrospective case-cohort study

Recurrence   Absent Present Total p value
Selected variables before pairing
CS-TNM EC I 9 (69%) 4 (31%) 13 0.385
  EC II 13 (56%) 10 (43%) 23  
  EC III 13 (46%) 15 (54%) 28  
CS-T (TNM) T1 15 (56%) 12 (44%) 27 0.742
  T2 10 (56%) 8 (44%) 18  
  T3 6 (67%) 3 (33%) 9  
  T4 4 (40%) 6 (60%) 10  
CS-N (TNM) N0 17 (68%) 8 (32%) 25 0.378
  N1 9 (47%) 10 (53%) 19  
  N2 5 (50%) 5 (50%) 10  
  N3 4 (40%) 6 (60%) 10  
Categorical variables observed after pairing
Histology Ductal 30 (61%) 19 (39%) 49 0.078
  Lobular 5 (33%) 10 (67%) 15  
ER ER + 21 (62%) 13 (38%) 34 0.226
  ER - 14 (47%) 16 (53%) 30  
PR PR + 16 (76%) 5 (24%) 21 0.018
  PR - 19 (44%) 24 (56%) 43  
Her2 Her2 + 5 (38%) 8 (62%) 13 0.158
  Her2 - 30 (59%) 21 (41%) 51  
Molecular Luminal 23 (64%) 13 (36%) 36 0.265
Subtypes Basal like 9 (45%) 11 (55%) 20  
  Her2 3 (38%) 5 (62%) 8  
  1. ER = estrogen receptor; PR = progesterone receptor.