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Table 1 Clinicopathological characteristics of node negative breast cancer patients (fresh frozen tissue) from the Mainz cohort (n=200)

From: Expression of aurora kinase A is associated with metastasis-free survival in node-negative breast cancer patients

Characteristics n %
Age at diagnosis   
<50 49 24.5
≥50 151 75.5
pT stage   
≤2cm 106 53.0
>2cm 88 44.0
not documented 6 3.0
Histological grade   
G I 42 21.0
G II 109 54.5
G III 49 24.5
Estrogen receptor status1   
RNA expression low 31 15.5
RNA expression high 169 84.5
Progesterone receptor status1   
RNA expression low   
RNA expression high 86 43.0
  114 57.0
Hormone receptor status2   
RNA expression low   
RNA expression high 31 15.5
  169 84.5
HER2 status1   
RNA expression low 181 90.5
RNA expression high 19 9.5
Metastasis   
Yes 47 23.5
No 153 76.5
  1. 1Estrogen, progesterone and HER2 status were derived from RNA levels as described in Schmidt et al., 2010 [34]. 2The hormone receptor status is defined as positive when one of either the estrogen or the progesterone receptor status is positive.