Table 3.

Measured parameters for the line tangential to the obturator screw ($\stackrel{-}{x}$±s).

Gender	Screw Length, L0 (mm)	MIA (°)	APIA (°)
Male (n=40)	53.16±8.70	30.42±7.95	9.32±9.57
Female (n=40)	45.07±10.91	32.88±10.65	5.74±10.58
Total (n=80)	50.61±11.28	31.65±9.42	7.53±10.18
t value∗	5.026	-1.167	0.117
P value∗	<0.001	>0.05	>0.05

Note: ^∗t and P are the results of inter-sex comparisons.