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. Author manuscript; available in PMC: 2020 Mar 1.
Published in final edited form as: Mutat Res Genet Toxicol Environ Mutagen. 2019 Jan 18;839:21–35. doi: 10.1016/j.mrgentox.2019.01.007

Table 3:

Interpretations of the kappa statistic (from Landis & Koch, 1977)

Kappa Agreement
<0.20 Poor
0.21-0.40 Fair
0.41-0.60 Moderate
0.61-0.8 Good
0.81-1.00 Very good