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Table 5 k w statistic values between the reference scores and scores reported by PCs

From: External Quality Assessment (EQA) program for the preanalytical and analytical immunohistochemical determination of HER2 in breast cancer: an experience on a regional scale

ID

Group

kw

kw95% CI

   

Lower limit

Upper limit

PC1*

3

0.95

0.86

1.00

PC2

3

0.90

0.76

1.00

PC3*

1

1.00

1.00

1.00

PC4

1

0.90

0.76

1.00

PC5*

3

1.00

1.00

1.00

PC6

2

0.91

0.80

1.00

PC7*

3

1.00

1.00

1.00

PC8

1

0.89

0.72

1.00

PC9*

2

0.95

0.86

1.00

PC10

2

0.90

0.77

1.00

PC11

2

0.90

0.77

1.00

PC12

1

0.90

0.77

1.00

PC13

3

0.87

0.71

1.00

PC14*

1

0.95

0.86

1.00

PC15

2

0.91

0.80

1.00

PC16

3

0.84

0.67

1.00

  1. (*) These PCs reached a fully satisfactory agreement.