2014
DOI: 10.1016/j.forsciint.2013.12.015
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Sex determination from the mandibular ramus flexure of Koreans by discrimination function analysis using three-dimensional mandible models

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Cited by 40 publications
(45 citation statements)
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“…Multivariate discriminant function equations, incorporating dimensions of the sternum or the manubrium, generally provide relatively higher sex allocation accuracies (81.6% for the sternum, and 76.1% for the manubrium). These classification results are comparable to those reported in previous investigations concerning sex discrimination in Chinese using other non-pelvic postcranial bones: first lumbar vertebra 57.1 -86.6% 19 , 12th thoracic vertebra 56.4 -94.2% 20 , the mandibular ramus flexure 50.4 -85.0% 21 . Individual sternal dimensions, which can be utilised with fragmentary human remains, may also be of value in the estimation of sex, as the total length of the sternum (ML + SB) provides a sex prediction success rate of 82.4%, and sternum body of 78.4%, whereas manubrium length, manubrium width, and manubrium index did not differ significantly between the sexes.…”
Section: Discussionsupporting
confidence: 89%
“…Multivariate discriminant function equations, incorporating dimensions of the sternum or the manubrium, generally provide relatively higher sex allocation accuracies (81.6% for the sternum, and 76.1% for the manubrium). These classification results are comparable to those reported in previous investigations concerning sex discrimination in Chinese using other non-pelvic postcranial bones: first lumbar vertebra 57.1 -86.6% 19 , 12th thoracic vertebra 56.4 -94.2% 20 , the mandibular ramus flexure 50.4 -85.0% 21 . Individual sternal dimensions, which can be utilised with fragmentary human remains, may also be of value in the estimation of sex, as the total length of the sternum (ML + SB) provides a sex prediction success rate of 82.4%, and sternum body of 78.4%, whereas manubrium length, manubrium width, and manubrium index did not differ significantly between the sexes.…”
Section: Discussionsupporting
confidence: 89%
“…17 Additionally, the mandibular angle measured using both methods did not show values sufficient to discriminate male and female mandibles probably due to the difficulties in establishing anatomical reference marks. A Korean study 16 revealed sex differences (p < 0.032). The literature indicates that the mandibular angle measurement has been mainly used for age estimation.…”
Section: Var6mentioning
confidence: 95%
“…Another study performed in Brazil found that the bigonial width and mandibular ramus height obtained good results in discriminating sex; 15 our study observed similar results for discriminating sex with the maximum ramus height compared with a Korean study. 16 Furthermore, studies have highlighted that the shape of the mandible can offer a better contribution than the size for sex determination in Gorilla, Pongo and H. s. syndactylus and to a lesser extent in modern humans. 1,6 Some mandibular measurements did not accurately discriminate sex with MS: the mandibular length and the breadth of the mandibular body.…”
Section: Var6mentioning
confidence: 99%
“…Univariate and multivariate discriminant function analyses with direct and stepwise methods were performed to calculate the specific discriminant function formulae for all and selected parameters. A ''leave one out classification'' procedure is applied to demonstrate the accuracy rate of the original sample [19].…”
Section: Discussionmentioning
confidence: 99%
“…In order to conveniently and accurately discriminate normal and abnormal ECGs in all patients with short-term overt hypothyroidism, we analyzed all and selected variables to identify some meaningful factors with multivariate direct and stepwise discriminant analyses [19]. We discovered that the formula including all statistically significant variables could correctly identify 77.6 % of patients with abnormal ECG and 70.5 % of those with normal ones, respectively (resubstitution accuracy: 72.3 %).…”
Section: Discussionmentioning
confidence: 99%