Discriminant Function Analysis of Foramen Magnum Variables in South Indian Population: A Study of Computerised Tomographic Images

Table 2

Descriptive statistics of measured parameters of FM in both genders of CT scans.

Variable	Gender	Mean	SD	SE of mean	Min	Max	t	P value
Anteroposterior diameter (mm)	Male	35.96	3.75	0.34	28.30	45.60	4.053	<0.001
	Female	33.83	3.51	0.39	24.70	41.40
Transverse diameter (mm)	Male	30.38	2.84	0.26	23.30	40.30	6.128	<0.001
	Female	27.98	2.53	0.28	23.00	34.30
Circumference (mm)	Male	124.87	10.49	0.96	105.00	156.00	5.643	<0.001
	Female	116.60	9.67	1.07	97.00	137.00
Area (mm^2)	Male	799.29	134.05	12.29	537.05	1198.28	5.536	<0.001
	Female	697.77	116.63	12.96	451.41	991.08