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

Egyptian Journal of Forensic Sciences

Table 3 Variables and constants used in the equation for sex prediction and their overall accuracy for tooth 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	− 0.029	32.227	0.01	0.972	0.972	0.987	71.9	68.9	70.5
Constant	4.868	-	-	-	0.972	0.987	71.9	68.9	70.5
Vcdp	− 0.020	18.677	0.01	0.980	0.972	0.989	65.8	67.9	67.7
Constant	2.134	-	-	-	0.972	0.989	65.8	67.9	67.7
VC	− 0.014	29.427	0.01	0.986	0.981	0.991	67.5	67.9	67.7
Constant	3.940	-	-	-	0.981	0.991	67.5	67.9	67.7
Vr	− 0.012	26.583	0.01	0.988	0.983	0.993	66.7	69.8	68.2
Constant	3.036	-	-	-	0.983	0.993	66.7	69.8	68.2
VTDP	− 0.014	36.194	0.01	0.986	0.982	0.991	66.7	77.4	71.8
Constant	4.873	-	-	-	0.982	0.991	66.7	77.4	71.8
VTT	− 0.013	42.931	0.01	0.987	0.983	0.991	71.9	76.4	74.1
Constant	5.629	-	-	-	0.983	0.991	71.9	76.4	74.1

Note: The odd 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