Table 3 Deviations (number of categories, see Table 1) from the counted gold standard per observer for nine pathologists estimating tumor cell fraction in lung cancer biopsies and resections

From: The estimation of tumor cell percentage for molecular testing by pathologists is not accurate

    

Deviation

Observer number

Mean deviation

Standard deviation

Mean absolute deviation

−7

−6

−5

−4

−3

−2

−1

0

1

2

3

4

5

6

1

0.5319

1.89795

1.5106

0

0

1

2

4

7

9

12

3

7

2

0

0

0

2

2.1489

1.38279

2.2340

0

0

0

9

11

12

10

4

0

1

0

0

0

0

3

2.9574

1.96665

3.0851

2

2

7

7

8

13

3

3

1

1

0

0

0

0

4

1.0426

2.42234

2.1489

0

0

0

0

2

6

8

7

3

4

8

5

4

0

5

1.0000

1.92241

1.7234

0

0

0

0

2

1

9

8

7

9

6

4

1

0

6

1.3191

1.54788

1.5319

0

0

0

0

0

0

5

13

9

6

10

4

0

0

7

2.6596

1.73552

2.7447

0

0

0

0

0

1

0

3

8

12

7

7

8

1

8

1.1277

1.84882

1.7660

0

0

0

0

0

3

9

5

9

12

2

6

1

0

9

0.2128

1.92169

1.5745

0

1

0

1

3

5

13

3

13

5

3

0

0

0

Total

0.1442

2.50790

2.0355

2

3

8

19

30

48

66

58

53

57

38

26

14

1