Volumetric assessment of canines using post-mortem computed tomography (PMCT) for sexual dimorphism in a Malaysian population

Egyptian Journal of Forensic Sciences

Table 4 Variable and constants used in the equations for sex prediction and their overall accuracy for the combination of teeth 23 and 33

Model	B	Wald	Sig	Exp (B)	95% C.I for EXP B		Prediction by sex (%)		Overall prediction (%)
Model	B	Wald	Sig	Exp (B)	Lower	Upper	Male	Female	Overall prediction (%)
Ve	− 0.018	50.192	0.01	0.982	0.977	0.987	64	65.6	64.8
Constant	3.457	-	-	-	0.977	0.987	64	65.6	64.8
Vcdp	− 0.017	30.547	0.01	0.983	0.977	0.989	65.4	59	62.3
Constant	1.919	-	-	-	0.977	0.989	65.4	59	62.3
VC	− 0.011	49.887	0.01	0.989	0.986	0.992	67.1	62,7	65
Constant	3.395	-	-	-	0.986	0.992	67.1	62,7	65
Vr	− 0.009	60.314	0.01	0.991	0.988	0.993	61.8	69.3	65.5
Constant	2.518	-	-	-	0.988	0.993	61.8	69.3	65.5
VTDP	− 0.009	60.314	0.01	0.991	0.988	0.993	68	67.9	68
Constant	3.719	-	-	-	0.988	0.993	68	67.9	68
VTT	− 0.008	67.903	0.01	0.992	0.990	0.994	70.6	68.4	69.5
Constant	4.731	-	-	-	0.990	0.994	70.6	68.4	69.5

Note: The odds cut value is 0.5, considering above this value is female and below is male. B coefficient for the constant, Wald Wald chi-square value, Sig = p value, Exp B exponentiation of the B coefficient, Ve volume of enamel, Vcdp volume of coronal dentine and pulp, VC total crown volume, Vr volume of root, VTDP total dentine and pulp volume, VTT total tooth volume