Table 3.

Level of Agreement and Kappa Values

Agreement	Kappa
Excellent	> 0.8
Good	0.61 – 0.80
Reasonable	0.41 – 0.60
Poor	0.21 – 0.40
Bad	0 – 0.20
Very Bad	< 0

Qualitative interpretation of kappa values in terms of level of agreement between scorers, as proposed by Landis and Koch.²⁹