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用男女髋骨各100侧,测量了坐,耻骨长,盆缘线长和坐骨大切迹宽,并求出坐耻指数,坐骨长切迹宽指数和坐骨长盆缘线指数,分别代表女性坐骨变短,耻骨和髂骨向前、后伸展的性差。将上述三个指数依次标为 X(左右),Y(上下)和 Z(前后)三个轴,每一轴上的指数皆取男女判定最佳值为0点,使三个轴皆在0点相交,并配对组成三个相互垂直的平面,即 XY 轴组成的额面,XZ 轴组成的横面和 YZ 轴组成的矢状面,分别绘成三个平面座标图,并绘出立体座标图。分析4个不同座标图,并用 Fisher氏法求出判别函数式进行验证。结果说明:额面座标图的误判率为3%,横面为1%,欠状面为5%。额面和横面互补,看两个面中某一误判标本那一个面上更远离分界线来决定性别,则误判率只有0.5%。额面与矢状面互补,误判率为2.5%。横面与矢状面互补,误判率为3.5%。三个面互补,误判标本以两个面上的归属来定性别,则误判率只有2%。由此可见,用三个选择好的因素,两两配对作成三个相互垂直的平面座标图,并形成立体座标图的方法,在判定髋骨性别时可形成多种组合,相互补足,有利于提高判别率。
Male and female hip with 100 sides, measuring the sitting, the pubic long, basin edge length and the width of the ischium big notch, and get the sit-shame index, the sciatic long notch width index and the sciatic long basin margin index, respectively, on behalf of female sciatic Shortened, pubic and iliac forward, after the extension of the poor sex. The above three indexes will be marked as X (left and right), Y (up and down) and Z (front and rear) three axes in turn, the index on each axis are taken for men and women determine the best value of 0:00, so that all three axes are 0 Point intersection, and paired to form three mutually perpendicular planes, that is, the forehead composed of the XY axis, the horizontal plane composed of the XZ axis and the sagittal plane composed of the YZ axis, respectively, drawn into three plane coordinates and drawn three-dimensional Coordinate. Four different graphs were analyzed and Fisher’s method was used to verify the discriminant function. The result shows that the misjudgment rate of the frontal coordinate chart is 3%, the cross section is 1% and the underaupoid is 5%. The forehead and the lateral complement each other, see one of the two faces of a miscarriage of justice on one side of the face even further away from the dividing line to determine the gender, the false positive rate of only 0.5%. Frontal and sagittal complementarity, false positive rate of 2.5%. Horizontal and sagittal complementarity, false positive rate of 3.5%. Three face complementary, misidentification of specimens to two sides of the attribution to sex, the false positive rate of only 2%. Thus, with three selected factors, pairs of paired to make three mutually perpendicular plane coordinates, and the formation of three-dimensional coordinates of the method to determine the gender of the hip can form a variety of combinations complement each other, Help to improve the discrimination rate.