Egyptian Journal of Forensic Sciences

Table 3 Spearman correlation analysis between chronological age, estimated age, and stages of tooth development

From: Applicability of Willems method for age estimation in Brazilian children: performance of multiple linear regression and artificial neural network

Sex	Correlations
Sex		CA	EA	#31	#32	#33	#34	#35	#36	#37
F	CA	1.000
	EA	0.941^**	1.000
	#31	0.646^**	0.658^**	1.000
	#32	0.779^**	0.792^**	0.816^**	1.000
	#33	0.871^**	0.910^**	0.648^**	0.781^**	1.000
	#34	0.910^**	0.955^**	0.630^**	0.776^**	0.876^**	1.000
	#35	0.898^**	0.952^**	0.617^**	0.753^**	0.855^**	0.926^**	1.000
	#36	0.791^**	0.809^**	0.756^**	0.916^**	0.796^**	0.782^**	0.767^**	1.000
	#37	0.912^**	0.967^**	0.608^**	0.763^**	0.850^**	0.898^**	0.901^**	0.779^**	1.000
M	CA	1.000
	EA	0.945^**	1.000
	#31	0.714^**	0.730^**	1.000
	#32	0.807^**	0.837^**	0.828^**	1.000
	#33	0.902^**	0.953^**	0.702^**	0.791^**	1.000
	#34	0.915^**	0.961^**	0.687^**	0.801^**	0.914^**	1.000
	#35	0.902^**	0.952^**	0.684^**	0.791^**	0.893^**	0.940^**	1.000
	#36	0.809^**	0.835^**	0.803^**	0.893^**	0.791^**	0.806^**	0.800^**	1.000
	#37	0.917^**	0.968^**	0.680^**	0.792^**	0.893^**	0.919^**	0.922^**	0.795^**	1.000

F females, M males, CA chronological age, EA estimated age
** p < 0.001 (2-tailed); #31–37: permanent mandibular left central incisor, lateral incisor, canine, first premolar, second premolar, first molar and second molar. Tooth positions described according to the notation system of the Fédération Dentaire Internationale (FDI)

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