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Table 13 Landis and Koch-Kappa’s benchmark scale [ 30 ]

From: Improving the exchange of lessons learned in security incident reports: case studies in the privacy of electronic patient records

Kappa statistic Strength of agreement
Less than 0.0 Poor
0.0 to 0.20 Slight
0.21 to 0.40 Fair
0.41 to 0.60 Moderate
0.61 to 0.80 Substantial
0.81 to 1.00 Almost Perfect