Dental Maturity in Saudi Children Using the Demirjian Method: A Comparative Study and New Prediction Models

Table 4

A post hoc test comparing several methods for age estimation in boys.

DiffageMale Scheffe		Multiple comparisons
(I) group	(J) group	Mean difference (I − J)	Std. error	Sig.	95% confidence interval
					Lower bound	Upper bound
French-Canadian	Belgian	−1.35373*	.10256	.000	−1.6411	−1.0664
	Kuwaiti	.46452*	.10256	.000	.1772	.7518
	Saudi	.36993*	.11632	.018	.0441	.6958
Belgian	French-Canadian	1.35373*	.10256	.000	1.0664	1.6411
	Kuwaiti	1.81825*	.10256	.000	1.5309	2.1056
	Saudi	1.72366*	.11632	.000	1.3978	2.0495
Kuwaiti	French-Canadian	−.46452*	.10256	.000	−.7518	−.1772
	Belgian	−1.81825*	.10256	.000	−2.1056	−1.5309
	Saudi	−.09459	.11632	.882	−.4205	.2313
Saudi	French-Canadian	−.36993*	.11632	.018	−.6958	−.0441
	Belgian	−1.72366*	.11632	.000	−2.0495	−1.3978
	Kuwaiti	.09459	.11632	.882	−.2313	.4205

*The mean difference is significant at the 0.05 level.