Table 1.

Evaluation guideline.

Kappa		Intra-Class Correlation		Spearman Rank Correlation
Value	Evaluation	Value	Evaluation	Value	Evaluation
>0.90	Almost perfect	>0.9	Excellent	±1	Perfect
0.80–0.90	Strong	0.75–0.9	Good	±0.8–0.9	Very strong
0.60–0.79	Moderate	0.5–<0.75	Moderate	±0.6–0.7	Moderate
0.40–0.59	Weak	<0.5	Poor	±0.3–0.5	Fair
0.21–0.39	Minimal			±0.1–0.2	Poor
<0.20	None			0	None