Abstract
Objective: To find out sexual dimorphism in hip bones with respect to pubic and Ischial lengths and their index.
Methodology: Descriptive cross-sectional study was done at National Institute of Rehabilitation Medicine Islamabad from January to April 2019. Total 120 patients who underwent Pelvic radiographs were included. The Pubic length, Ischial length and the Ischiopubic index were measured. Pubic length is a straight line drawn on the radiograph from center of the Triradiate cartilage to the medial end of pubic symphysis. Ischial length is a straight line drawn from Triradiate cartilage perpendicular to the line joining the bilateral lower Ischial tuberosities. Ischiopubic index is determined from the pubic length divided by ischial length and then multiplied by 100.Independant simple t.test was applied. Data was analyzed by SPSS version 17.
Results: The mean values of pubic length for males in pelvic radiograph were found to be 53.01±6.02mm and that of female were found to be 57.33±7.68mm. The pubic length in females was observed to be higher than in males. These differences were observed to be statistically significant (p<0.007). The mean values of ischial length for males in pelvic radiograph were found to be 60.68±5.63mm and that of female were found to be 50.31±7.04mm. The ischial length in males measured more than that of females. Differences observed were statistically significant (p<0.012). The mean values of ischiopubic index for males in pelvic radiograph were found to be 85.21±5.18 and that of female were found to be 111.15±5.66. The ischiopubic index of the females was higher than that of males. These differences were observed to be statistically significant (p<0.027).
Ayesha Haider, Sohail Kamran, Muhammad Arif, Danish Raouf. (2019) Role of Ischiopubic Index in Sex Determination on Pelvis X-rays, Journal of the Society of Obstetrics and Gynaecologists of Pakistan , Volume-09, Issue-4.
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