Reliability of a Novel CBCT-Based 3D Classification System for Maxillary Canine Impactions in Orthodontics: The KPG Index

Table 6

Kendall's 𝑊 values for interrater agreement at 𝑡₂ and 𝑡₃, clustered by software and KPG single component.

	𝐶𝑥		𝐶𝑦		𝐶𝑧
	Kodak	Planmeca	Kodak	Planmeca	Kodak	Planmeca
	𝑡2	𝑡2	𝑡2	𝑡2	𝑡2	𝑡2
𝑡2	0.955	0.973	0.942	0.989	0.971	0.966
𝑡3	0.989	0.999	0.991	0.997	0.997	0.991
	𝑅𝑥		𝑅𝑦		𝑅𝑧
	Kodak	Planmeca	Kodak	Planmeca	Kodak	Planmeca
	𝑡2	𝑡2	𝑡2	𝑡2	𝑡2	𝑡2
t2	0.939	0.991	0.961	0.970	0.975	0.954
t3	0.986	0.999	0.988	0.999	0.994	0.992