TABLE 1 Comparison between Full Sections and Arrayed Sections of Estrogen Receptor (ER), Progesterone Receptor (PR), c-erbB2, and HER-2/neu Status in Breast Tumors

From: Reliability of Tissue Microarrays in Detecting Protein Expression and Gene Amplification in Breast Cancer

  

Full Sections

Arrayed Sections

Concordance (%)

κ-valuea

ER

+

56

53

97 (n = 93)

0.93

 

−

37

40

  

PR

+

56

54

98 (n = 93)

0.95

 

−

37

39

  

c-erbB2

+

33

30

97 (n = 92)

0.92

 

−

59

62

  

HER-2/neu

+

23

20

95 (n = 87)

0.89

 

−

64

67

  
  1. aaKappa coefficient (14).
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