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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: J Am Acad Orthop Surg. 2015 Feb 9;23(3):154–163. doi: 10.5435/JAAOS-D-14-00005

Table 1.

Criteria to Evaluate Kappa Agreement Statistics

Κappa Value Interpretation
Below 0.0 Poor agreement
0.00-0.20 Slight agreement
0.21-0.40 Fair agreement
0.41-0.60 Moderate agreement
0.61-0.80 Substantial agreement
0.81-1.00 Almost perfect agreement