Sexual dimorphism of foramen magnum: An Egyptian study

Egyptian Journal of Forensic Sciences

Table 2 Mean differences of the craniometric parameters of foramen magnum and occipital condyles between males and females among the studied Egyptian population (n=367)

Variables	Male (n=163) 95% CI		Std. error	Female (n=204) 95% CI		Std. error
Variables	Lower	Upper	Std. error	Lower	Upper	Std. error
ROCW	1.1385	1.1808	.01072	1.0905	1.1291	.00981
ROCL	2.0414	2.1165	.01901	1.8530	1.9226	.01765
LOCW	1.0995	1.1395	.01014	1.1115	1.1453	.00856
LOCL	2.0325	2.1071	.01887	1.9400	2.0004	.01534
MnICD	1.4043	1.6847	.07101	1.3225	1.4083	.02176
MBD	2.8066	2.9913	.04675	2.6552	2.7935	.03507
FMW	3.1073	3.1872	.02024	2.9512	3.0261	.01899
FML	3.6340	3.7366	.02596	3.5259	3.6191	.02363
FMI	115.85	119.05	.81099	118.552	121.162	.66005
FMA	8.9149	9.3316	.10551	8.2283	8.6238	.10029

CI: confidence interval ,Std: standard, ROCW: right occipital condylar width, ROCL: right occipital condylar length, LOCW: left occipital condylar width, LOCL: left occipital condylar length,MnICD: minimum intercondylar distance, MBD: maximum intercondylar distance, FMW: foramen magnum width, FML: foramen magnum length, FMI: foramen magnum index, FMA: foramen magnum area.