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Table 3 Contingency tables of matched ratings for three different levels of regions of interest

From: Kappa statistic to measure agreement beyond chance in free-response assessments

Patient level

Second Rater

 

Negative

Positive

Total

First Rater

Negative

26

1

27

 

Positive

2

55

57

 

Total

28

56

84

Intermediate level (9 regions per ratient)

Second Rater

 

Negative

Positive

Total

First Rater

Negative

640

8

648

 

Positive

21

87

108

 

Total

661

95

84×9

Detailed level (95 regions per ratient)

Second Rater

 

Negative

Positive

Total

First Rater

Negative

7743

18

7761

 

Positive

53

166

219

 

Total

7796

184

84×95