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Table 2 Clinicopathological characteristics of node negative breast cancer patients (fresh frozen tissue) from the Rotterdam cohort (n=286)

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

Characteristics

n

%

Estrogen receptor

  

RNA expression low

78

27.3

RNA expression high

208

72.7

Progesterone receptor

  

RNA expression low

158

55.2

RNA expression high

128

44.8

Hormone receptor status1

  

RNA expression low

  

RNA expression high

76

26.6

 

210

73.4

HER2 status

  

RNA expression low

236

82.5

RNA expression high

50

17.5

Metastasis

  

Yes

179

62.6

No

107

37.4

  1. Estrogen receptor, progesterone receptor and HER-2 status were derived from the gene array data. Cut-points were 8.2 for the estrogen receptor, 11.2 for HER-2, and 4.5 for the progesterone receptor. Log2 transformed gene array data have been used.
  2. 1The hormone receptor status is positive when either the estrogen or progesterone receptor RNA expression is high.