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Table 1 Patients and tumor characteristics

From: Potential prognostic value of heat-shock protein 90 in the presence of phosphatidylinositol-3-kinase overexpression or loss of PTEN, in invasive breast cancers

Characteristics

Number of patients (%)

Age (years)

  

   <40

33

(15.6)

   ≥40

179

(84.4)

Histology

  

   Invasive ductal

205

(96.7)

   Invasive lobular

7

(3.3)

Tumor stage

  

   T1--T2

199

(93.9)

   T3--T4

13

(6.1)

Nodal stage

  

   N0

106

(50.0)

   N1--N3

106

(50.0)

Histologic grade

  

   Grade I--II

116

(54.7)

   Grade III

89

(42.0)

ER

  

   Negative

70

(33.0)

   Positive

142

(67.0)

PR

  

   Negative

113

(53.3)

   Positive

99

(46.7)

HER2

  

   Negative

168

(79.2)

   Positive

44

(20.8)

Ki-67 index

  

   <10%

120

(56.6)

   ≥10%

91

(42.9)

  1. ER = estrogen receptor; HER2 = human epidermal growth factor receptor-2; PR = progesterone receptor.