A Study of Ischiopubic Index Using X-Ray Films in Lagos State of Nigeria

Table 2

Measurement in mm of pubic length, ischial length, and ischiopubic index in females in Lagos State.

Measurement and calculations	Pubic length	Ischial length	Ischiopubic index
Number	60	60	60
Mean	76.6*	66.97*	11.5.99*
Standard deviation	±8.48	±8.47	±18.5
Actual range	58–91	55–90	92.05–163.63
Identification point	>85	<50	>133.33
Percentage identification point	16.67%	0%	13.33%
Calculated range	68.12–85.08	58.5–75.44	97.49–134.49
Demarking point	>78.35	<58.16	<117.7
Percentage demarking point	43.33%	13.33%	50%

was statistically significant (male versus female).