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Table 3 Result of Tukey’s HSD test

From: Standardizing HER2 immunohistochemistry assessment: calibration of color and intensity variation in whole slide imaging caused by staining and scanning

HER2 score

    

95% C.I

group1

group2

Mean diff

P

Lower

Upper

1 + 

0–0

0–1

-28.53 **

0.003

-54.20

-2.87

0–0

0–2

-21.82 *

0.043

-43.19

-0.45

0–0

1–0

-29.25 **

0.002

-54.92

-3.59

0–0

1–1

-24.45 *

0.016

-45.82

-3.08

0–0

1–2

-26.62 **

0.007

-52.29

-0.95

2 + 

0–0

0–1

-20.91 *

0.034

-40.81

-1.01

0–0

0–2

-20.63 *

0.038

-40.53

-0.73

0–0

1–0

-39.44 **

0.001

-63.34

-15.53

0–0

1–1

-35.43 **

0.001

-59.33

-11.52

0–0

1–2

-35.33 **

0.001

-59.24

-11.43

3 + 

0–0

0–2

-34.31 *

0.039

-67.46

-1.16

0–0

1–0

-68.91 **

0.001

-108.73

-29.10

0–0

1–1

-64.86 **

0.001

-104.67

-25.04

0–0

1–2

-61.15 **

0.001

-100.96

-21.34

0–1

1–0

-43.75 **

0.004

-83.56

-3.93

0–1

1–1

-39.69 *

0.010

-72.84

-6.54

0–1

1–2

-35.99 *

0.026

-69.14

-2.84

0–2

1–0

-34.60 *

0.036

-67.75

-1.45

  1. *P < 0.05
  2. **P < 0.01