. 2019 May-Jun;24(3):46–54. doi: 10.1590/2177-6709.24.3.046-054.oar

Table 5. ODI and APDI values comparison between balanced and skeletal open bite subjects with class I, class II and class III malocclusion.

Compared study groups	Mean difference			95% Confidence Interval
Compared study groups	Mean difference			Lower Limit	Upper Limit
ODI
		P₁	P₂
BAL - CI OB	6.236	<0.001	<0.001	3.895	8.578
BAL - CII OB	4.909		<0.001	2.567	7.251
BAL - CIII OB	11.817		<0.001	9.475	14.159
CI OB - CII OB	-1.327		0.458	-3.669	1.015
CI OB - CIII OB	5.58		<0.001	3.239	7.922
CII OB - CIII OB	6.908		<0.001	4.566	9.25
APDI
		P₃	P₄
BAL - CI OB	1.399	<0.001	0.11	0.503	2.294
BAL - CII OB	9.281		<0.001	8.198	10.364
BAL - CIII OB	-4.215		<0.001	-5.203	-3.227
CI OB - CII OB	7.882		<0.001	6.652	9.113
CI OB - CIII OB	-5.613		<0.001	-6.761	-4.466
CII OB - CIII OB	13.496		<0.001	-14.795	-12.196

P₁:One-way ANOVA test. P₂: Tukey HSD test. P₃:Kruskal-Wallis test. P₄:Mann-Whitney-U test. OB: open bite; BAL: balanced; CI: Class I; CII: Class II; CIII: Class III.