Table 1

Correlations of miR-497 expression with clinicopathologic features of BC patients
miR-497 expression
Clinicopathologic features High (n = 74) Low (n = 54) P-value
Age (years) 0.204
  ≤50 44 38
  >50 30 16
Tumor size (cm) 0.777
  ≤2.0 32 22
  >2.0 42 32
Differentiation grade 0.005*
  G1 + 2 46 20
  G3 28 34
Histological type 0.078
  Ductal 50 44
  Lobular 24 10
ER status 0.590
  Negative 34 21
  Positive 44 33
PR status 0.598
  Negative 18 11
  Positive 56 43
HER-2 status 0.024*
  Negative 49 25
  Positive 25 29
Lymph node metastasis 0.001*
  Absent 47 18
  Present 27 36
Clinical stage 0.010*
  I + II 43 19
  III 31 35

*Statistically significant difference (P < 0.05). ER estrogen receptor;

PR progesterone receptor, HER-2 c-erbB-2.

Wang et al.

Wang et al. Diagnostic Pathology 2013 8:172   doi:10.1186/1746-1596-8-172

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