Journal of Research in Applied and Basic Medical Sciences
Journal of Research in Applied and Basic Medical Sciences
Medical Sciences
http://ijrabms.umsu.ac.ir
1
admin
2717-0098
8
10.61186/rabms
14
8888
13
en
jalali
1401
10
1
gregorian
2023
1
1
9
1
online
1
fulltext
en
Sexual Dimorphism in Mastoid Process Using Discriminant Function Analysis
تخصصي
Special
پژوهشي
orginal article
<span style="font-size:12pt"><span style="line-height:16.0pt"><span new="" roman="" style="font-family:" times=""><b><i><span style="font-size:9.0pt">Background & Aims</span></i></b><b><span style="font-size:9.0pt">: </span></b> <span lang="EN-IN" style="font-size:9.0pt">Determining sex from the human skeleton and its fragments has very high importance in anthropology, forensic medicine, and human osteology. Petrous temporal bone with the mastoid process is usually preserved in the case of burning, as it has compact structure with protected position at the skull base. Present study aimed to select the best discriminator from all mastoid parameters and to develop an equation for the determination of sex from Western Indian skulls via discriminant function analysis.</span><span style="font-size:9.0pt"></span></span></span></span><br>
<span style="font-size:12pt"><span style="line-height:16.0pt"><span new="" roman="" style="font-family:" times=""><b><i><span style="font-size:9.0pt">Materials & Methods</span></i></b><b><span style="font-size:9.0pt">:</span></b> <span lang="EN-IN" style="font-size:9.0pt">Present study was carried out on total 160 human adult dry skull bones of known sex (90 male and 70 female) which were collected from the Anatomy Departments of various Medical and Dental Colleges across Gujarat, India. Three mastoid process parameters namely mastoid length, mastoid breadth, and antero-posterior diameters were measured on both the sides using a digital vernier calliper.</span><b><span style="font-size:9.0pt"></span></b></span></span></span><br>
<span style="font-size:12pt"><span style="line-height:16.0pt"><span new="" roman="" style="font-family:" times=""><b><i><span style="font-size:9.0pt">Results</span></i></b><b><span style="font-size:9.0pt">:</span></b> <span lang="EN-IN" style="font-size:9.0pt">All these mastoid variables are statistically highly significant (p <0.0001) for sexual dimorphism; each has a higher value in males than females. When the regression equation was applied, 96.2% of male skulls and 94.6% of female skulls were correctly classified.</span><b><span style="font-size:9.0pt"></span></b></span></span></span><br>
<span style="font-size:12pt"><span style="line-height:16.0pt"><span new="" roman="" style="font-family:" times=""><b><i><span style="font-size:9.0pt">Conclusion</span></i></b><b><span style="font-size:9.0pt">: </span></b> <span lang="EN-IN" style="font-size:9.0pt">Mastoid length has the highest discriminative power among the three variables measured in this study. The knowledge of mastoid process measurements provided by the present study will be helpful in human osteology, anthropology, and forensic science for evaluation of sex from western Indian skulls.</span><span style="font-size:9.0pt" lang="EN-IN"></span></span></span></span><br>
Mastoid Process, Sex Determination, Discriminant Function, Skull, Mastoid Length
1
6
http://ijrabms.umsu.ac.ir/browse.php?a_code=A-10-217-1&slc_lang=en&sid=1
Laxmi N.
Chandravadiya
laxmichandravadiya@gmail.com
10031947532846002569
10031947532846002569
No
Assistant professor, Department of Anatomy, B J Medical College, Ahmedabad, Gujarat, India
Shailesh. M
Patel
dr_smpatel@yahoo.com
10031947532846002570
10031947532846002570
No
Professor and Head, Department of Anatomy, Govt. Medical College, Bhavnagar, Gujarat, India
Harsha
Rathod
sutariya_harsha84@yahoo.com
10031947532846002571
10031947532846002571
Yes
Assistant professor, Department of Anatomy, B J Medical College, Ahmedabad, Gujarat, India
Dwiti. S
Patel
dwitipatel33@gmail.com
10031947532846002572
10031947532846002572
No
MBBS student, Pramukhswami Medical College, Karamsad, Gujarat, India