Sex Determination of Chinese Femur by Discriminant Function

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47 citations0/0 files storedJournal of Forensic Sciences

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Forensic Anthropology and Bioarchaeology Studies Forensic and Genetic Research Forensic Entomology and Diptera Studies

Abstract

The objective of this study was to provide a method of sex determination for Chinese femur, especially for fragmentary remains. Statistical analysis of 17 measurements based on 141 northeastern Chinese femora shows that all measurements have significant sex differences. Sex determination by the midpoint method of a single measurement can obtain an average accuracy of 76.8%. The results indicate that of all dimensions the maximum head diameter is the best discriminator of sex. It alone can determine the sex of a femur with 85.1% accuracy. The results also show that maximum head diameter, transverse head diameter, epicondylar breadth, upper breadth, and medial condylar length have higher sexual dimorphisms than the dimensions of length. According to the result to stepwise discriminant analysis and the need for sexing fragmentary remains, 22 discriminant functions composed of various combinations of variables were calculated which can determine the sex of the femur correctly 82.3 to 87.2%. The methods of sex determination provided by this paper can be used to sex poorly preserved femora.

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References

1957Lehrbuch der Anthropologie.1978A new method for assessing the sex of fragmentary skeletal remains: Femoral shaft circumference 1957Sex determination from the skeleton.1979Sex assessment of the femur: A test of a new method 1982Classification and misclassification in sexing the Black femur by discriminant function analysis 1955The sexual diagnosis of isolated bones of the skeleton.1985A simple univariate technique for determining sex from fragmentary femora: Its application to a Scottish short cist population 1962The Sexing of Long Bones, with Reference to the St Bride's Series of Identified Skeletons

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2007Determination of sex from the femur in Anatolian Caucasians: A digital radiological study 2010The demographic, socio‐economic and temporal contextualisation of the Universitat Autònoma de Barcelona collection of identified human skeletons (UAB collection)2015Geometric morphometric analysis reveals sexual dimorphism in the distal femur 2015Comparing discriminant analysis and neural network for the determination of sex using femur head measurements 1997

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