Index of Orthodontic Treatment Need in Obese Adolescents

Table 4

Prevalence of the types of malocclusion (DHC of the IOTN) in the test and in the control groups, with the indication of significant differences.

DHC	Test group; : 100 patients	Control group; : 100 patients	Odds ratio; Confidence interval 95%	value
Increased overjet	18%	14%	1.35; (0.63–2.89)	0.44 N.S.
Anterior cross bite	7%	4%	1.81; (0.51–6.38)	0.35 N.S.
Upper crowding	7%	14%	0.46; (0.18–1.20)	0.11 N.S.
Lower crowding	6%	13%	0.43; (0.16–1.17)	0.09 N.S.
Increased overbite	11%	7%	1.64; (0.61–4.42)	0.32 N.S.
Open bite	10%	7%	1.48; (0.54–4.05)	0.45 N.S.
Unilateral posterior cross bite	14%	11%	1.32; (0.57–3.06)	0. 52 N.S.
Bilateral posterior cross bite	8%	5%	1.65; (0.52–5.24)	0.39 N.S.
Impeded eruption	3%	2%	1.52; (0.25–9.27)	0.65 N.S.

N.S.: not significant.
Significant differences in Chi-square test results with 95% confidence interval; .