Abstract：
:The present study aimed to evaluate the accuracy of mandibular measurements for sex determination in a Brazilian population. The sample was composed of 100 mandibles, of which 53 were female and 47 were male, and the average age was 57.03 years. The mandible measurement protocol was composed of 15 measurements, of which six were bilateral and nine were unique. Mandibles were directly measured using a digital caliper and a protractor. The descriptive analysis of the present study revealed higher mean values for male mandibles compared to those for female mandibles with the exception of the left mandibular angle. Among the 21 measures analyzed in this group, 15 were statistically significant (p < 0.05). Univariate discriminant analyses produced a mean percentage of correct predictions that varied between 49 and 79%. The association of variables increased the percentage of correct prediction of sex to vary from 76 to 86%. The receiver operator characteristic (ROC) curve analysis indicated that the best variable for estimating sex was bigonial breadth (BGB; area under the ROC curve (AUC) = 0.764) followed by the right maximum ramus height (MRHr; AUC = 0.763). A reference table for estimating sex in a Brazilian population using mandible measurements was developed based on the ROC curve analysis. Mandibular measures provide a simple and reliable method for sex discrimination in Brazilian adults due to the sexual dimorphism revealed by analysis of the metric variables and the satisfactory results demonstrated by discriminant formulas, ROC curve analysis, and the reference table.
journal_name
Int J Legal Medjournal_title
International journal of legal medicineauthors
Lopez-Capp TT,Rynn C,Wilkinson C,de Paiva LAS,Michel-Crosato E,Biazevic MGHdoi
10.1007/s00414-017-1681-8subject
Has Abstractpub_date
2018-05-01 00:00:00pages
843-851issue
3eissn
0937-9827issn
1437-1596pii
10.1007/s00414-017-1681-8journal_volume
132pub_type
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journal_title：International journal of legal medicine
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journal_title：International journal of legal medicine
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journal_title：International journal of legal medicine
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journal_title：International journal of legal medicine
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pub_type： 杂志文章,实务指引
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journal_title：International journal of legal medicine
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journal_title：International journal of legal medicine
pub_type： 杂志文章
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