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Abdelnasser Ibrahim,Aspalilah Alias,Faridah Mohd Nor1,Mohamed Swarhib,Siti Noorain Abu Bakar,Srijit Das,Nurliza Abdullah,Mohamad Helmee Mohamad Noor 대한해부학회 2019 Anatomy & Cell Biology Vol.52 No.2
Erratum for the article "Study of sexual dimorphism of Malaysian crania: an important step in identification of the skeletal remains" 9Anat Cell Biol. 2017 Jun;50(2):86-92. https://doi.org/10.5115/acb.2017.50.2.86)
Abdelnasser Ibrahim,Aspalilah Alias,Faridah Mohd Nor,Mohamed Swarhib,Siti Noorain Abu Bakar,Srijit Das 대한해부학회 2017 Anatomy & Cell Biology Vol.50 No.2
Sex determination is one of the main steps in the identification of human skeletal remains. It constitutes an initial step in personal identification from the skeletal remains. The aim of the present study was to provide the population-specific sex discriminating osteometric standards to aid human identification. The present study was conducted on 87 (174 sides) slices of crania using postmortem computed tomography in 45 males and 42 females, aged between 18 and 75 years. About 22 parameters of crania were measured using Osirix software 3-D Volume Rendering. Results showed that all parameters were significantly higher in males than in females except for orbital height of the left eye by independent t test (P<0.01). By discriminant analysis, the classification accuracy was 85.1%, and by regression, the classification accuracy ranged from 78.2% to 86.2%. In conclusion, cranium can be used to distinguish between males and females in the Malaysian population. The results of the present study can be used as a forensic tool for identification of unknown crania.
Siti Hanum Mohd Ali,Normaliza Omar,Mohamed Swarhib Shafie,Nik Azuan Nik Ismail,Helmi Hadi,Faridah Mohd Nor 대한해부학회 2020 Anatomy & Cell Biology Vol.53 No.1
Research in forensic anthropology is recent in Malaysia due to limited access to documented skeletal collections. However, advanced imaging techniques provide virtual bone samples for use in morphometric studies to establish population-specific standards by virtual anthropology. This study examined sexual dimorphism in the subpubic angle using a three-dimensional computed tomography model of the pelvis, in a contemporary Malaysian population. The sample comprised multidetector computed tomography (MDCT) scans of 50 male and 50 female adults. Segmentation of the MDCT scans was performed using 3D Slicer, and four landmarks were acquired using Stratovan Checkpoint for the subpubic angle measurement. The technical error of measurement (TEM), relative TEM, and coefficient of reliability (R) exhibited high reliability in measurements. Results showed that the subpubic angle in males was 68.6°±7.6° and in females 87.4°±6.5°. The subpubic angle in females was significantly larger than in males (P<0.001). Inverse correlation was found between the subpubic angle and age, in both males (r=–0.449, P<0.01) and females (r=–0.385, P<0.01). The overall accuracy of sex estimation using the subpubic angle was 94% (P<0.001). The subpubic angle, with a demarcating point of 78.6°, showed a sensitivity and specificity of 94% in the classification of female individuals. In conclusion, sex estimation using the subpu bic angle is highly accurate, with a high degree of expected sensitivity and specificity in the Malaysian population.