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. 2014 Aug 13;2014:547625. doi: 10.1155/2014/547625

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