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Previous studies have revealed that the sternum can provide a method for assessing sex in diverse population groups. In the current study, sternal measurements were recorded from three-dimensional multidetector-computed tomographic images of 255 individuals (112 females and 143 males) in Western China. Results demonstrated that the difference between male and female mean values for all linear dimensions and manubrium index was highly significant. The stepwise analysis of four linear sterna dimensions and manubrium index, in which the sternum index, total length and manubrium width were selected, yielded a sex classification accuracy rate of 81.6% and a sex bias of 2.6%. Furthermore, multivariate discriminant function equations incorporating dimensions of the manubrium and individual sternal dimensions, such as the total length of the sternum and the sternum body, may also be of value in the estimation of sex. The results of the present study with osteometric equations provide an effective method for assessing sex in Western Chinese, particularly in situations where the pelvis or bones of the extremities are not preserved, and the CT-VRT may be a practical method for estimation of sexual dimorphism. [ABSTRACT FROM PUBLISHER]

In order to develop population – specific discriminant function equations and stature prediction equations for predicting sex and stature from measurements of the scapula in a contemporary Chinese, 414 individual 3D CT images were collected from participants undergoing routine examination. Sex differences for the variables were tested by Student’s t -test. Fisher’s method has been followed for discriminant analysis. Regression analysis was applied to match the six linear parameters against stature. The stepwise analysis of all measurements yielded a sex classification accuracy rate of 86.7% and a sex bias of 3.1%. All the classification accuracy rates of the univariate discriminant function analyses are of more than 80%. For stature estimation, the accuracy of stature prediction ranged from 5.252 to 7.210 cm for male, from 4.630 to 6.484 cm for female, respectively. This paper provides indications that the scapula is an important bone for sex diagnosis and it could be effectively used as alternatives in forensic cases. Furthermore, the equations presented for stature estimation in this study should be used as alternatives in forensic cases when long bones were unavailable for stature estimation. [ABSTRACT FROM AUTHOR]