Table 3. Kappa coefficient for diagnostic method.

Occlusal trait	Kappa		p-value
Normal X Malocclusion	0.88	Exc	<0.00001
Right Cuspid Class	0.81	Exc	<0.00001
Left Cuspid Class	0.94	Exc	<0.00001
Overbite/Anterior Open Bite	0.94	Exc	<0.00001
Overjet/Anterior crossbite	0.97	Exc	<0.00001
Posterior crossbite	0.66	Good	<0.00001
Upper midline deviation	0.97	Exc	<0.00001
Lower midline deviation	0.95	Exc	<0.00001
Upper Crowding/Spacing	0.90	Exc	<0.00001
Lower Crowding/Spacing	0.88	Exc	<0.00001
Tooth loss	1.00	Exc	<0.00001