Assessment of the Self-Perception of Dental Appearance, Its Comparison with Orthodontist’s Assessment and Demand for Treatment in Eastern Nepalese Patients

Table 2

Comparison of subject’s perception and orthodontist’s assessment of IOTN-AC.

IOTN-AC	Grades			Chi-square nonparametric	Kappa measurement of agreement
	No need; (1 to 4)	Borderline need; (5 to 7)	Definitive need; (8 to 10)
Subject’s perception	215	25	12	215.32; Sig. 0.000	0.487
Orthodontist’s assessment	172	72	08