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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%)