Table 4.

T-test comparison of the means of malocclusion and normal occlusion subjects between each other and with Bolton’s standards

Comparisons	Factors	Difference	95% CI	df	P*
Malocclusion to normal occlusion of the current study	AR	−0.38	−1.54-0.78	148	0.519
	OR	0.01	−0.79-0.81	148	0.980
Malocclusion groups to Bolton ratios[1]	AR	1.41	0.53-2.28	173	0.002
	OR	0.71	0.08-1.34	173	0.027
Control group to Bolton ratios[1]	AR	1.03	0.01-2.05	83	0.048
	OR	0.72	−0.15-1.59	83	0.105

*Significance level (two-tailed); α=0.05. AR: Anterior ratio; OR: Overall ratio; t: t-statistics; df: Degree of freedom; CI: Confidence interval