Table 6.

Strength of agreement of Kappa statistic.

Kappa	Agreement	Interpretation
<0	Less than chance agreement	Poor
0.01–0.20	Slight agreement	Slight
0.21–0.40	Fair agreement	Fair
0.41–0.60	Moderate agreement	Moderate
0.61–0.80	Substantial agreement	Substantial
0.81–1.00	Almost perfect agreement	Almost perfect