Table 4.

Intraclass correlation

Location	Group/Subgroup	Type of measure	ICC	Kappa1 (95% CI)
All	Overall	Average measure	0.967	0.963–0.970
Vallecula	Overall	Average measure	0.974	0.970–0.978
Pyriform sinus	Overall	Average measure	0.958	0.950–0.964
All	experience > 5 years	Average measure	0.977	0.971–0.981
	experience ≤ 5 years	Average measure	0.960	0.954–0.966
Vallecula	experience > 5 years	Average measure	0.978	0.970–0.983
	experience ≤ 5 years	Average measure	0.972	0.965–0.977
Pyriform sinus	experience > 5 years	Average measure	0.975	0.967–0.981
	experience ≤ 5 years	Average measure	0.947	0.934–0.957

¹ Cohen’s Kappa