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Table 3 Concordance between CNB and OEB for receptor status and Ki67 results

From: Preoperative core needle biopsy is accurate in determining molecular subtypes in invasive breast cancer

CNB

OEB

Concordance rate (%)

Kappa

P value

Negative

Positive

ER

  

93.6

0.827

<0.001

  Negative

63

4

   

  Positive

15

216

   

PgR

  

85.9

0.704

<0.001

  Negative

95

25

   

  Positive

17

161

   

HER2

  

96.3

0.894

<0.001

  Negative

226

7

   

  Positive

4

61

   

Ki67

<14%

≥14%

79.5

0.545

<0.001

  <14%

70

42

   

  ≥14%

19

167

   

HR

  

93.6

0.824

<0.001

  Negative

61

5

   

  Positive

14

218

   
  1. Abbreviation: CNB, core needle biopsy; OEB, open excision biopsy; ER, estrogen receptor; PgR, progesterone receptor; HR, hormonal receptor.
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BMC Cancer

ISSN: 1471-2407

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