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

Egyptian Journal of Forensic Sciences

Table 2 Variables and constants used in the equations for sex prediction and their overall accuracy for tooth 23

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	− 0.021	28.292	0.01	0.979	0.972	0.987	70.2	67	68.6
Constant	4.363	-	-	-	0.972	0.987	70.2	67	68.6
Vcdp	− 0.015	12.425	0.01	0.985	0.977	0.993	66.7	52.8	60
Constant	1.780	-	-	-	0.977	0.993	66.7	52.8	60
VC	− 0.012	25.765	0.01	0.988	0.984	0.993	69.3	69.8	69.5
Constant	3.940	-	-	-	0.984	0.993	69.3	69.8	69.5
Vr	− 0.010	28.747	0.01	0.990	0.987	0.994	64	66	65
Constant	3.036	-	-	-	0.987	0.994	64	66	65
VTDP	− 0.010	31.642	0.01	0.991	0.987	0.994	64.9	63.2	64
Constant	4.090	-	-	-	0.987	0.994	64.9	63.2	64
VTT	− 0.009	37.258	0.01	0.991	0.988	0.994	65.8	71.7	68.6
Constant	5.629	-	-	-	0.988	0.994	65.8	71.7	68.6

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