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Table 1 This contingency table used to calculate the kappa coefficient of 0.51.

From: Inter-examiner reliability of the diagnosis of cervical pillar hyperplasia (CPH) and the correlation between CPH and spinal degenerative joint disease (DJD)

  

Examiner 1

  

Yes

No

Examiner 2

Yes

26 (52%)

0

 

No

12 (24%)

12 (24%)