摘要
本文的目的在于研究人类密质骨的年龄变化规律 ,为法医学、人类学利用骨骼推断年龄提供新方法。本研究收集了 86例中国北方汉族男性右侧第六肋骨的中 1 3段 ,制作脱钙骨切片 ,在计算机图像分析仪上测量 9项组织形态学参数 ,并进行多元逐步回归分析 ,结果得到一个推断年龄的多元回归方程 :^Y =33 545 +0 938X2 +2 4 9 1 4 4X4+0 676X7- 769 784X8- 0 0 0 4X9,复相关系数和标准误分别是 0 954和 4 1 4。经 30例已知年龄的标本检验 ,预测年龄的误差在± 5岁以内的可达 77% ,误差在±8岁以内的可达 1 0 0 %。
The purpose of this paper is to discuss the nature of compact bone age-associated changes, so as to provide the evidence of age estimation with bones for forensic medical and anthropological research. The middle one third of right sixth rib was collected from 86 Chinese males of north China, ranging from 20 to 70 years of age. Decalcified cross-section slides were histomorphometrically examined by using an image analyzer. Histological parameters used in this study included 10 items:total intact osteon area (X 1), intact osteon number (X 2), average intact osteon area (X 3), total Haversian canal area (X 4), average Haversian canal area (X 5), total fragmentary osteon area (X 6), fragmentary osteon number (X 7), average fragmentary osteon area (X 8), total visible osteocyte number (X 9),and total visible osteon density (X 10). The results showed that intact osteon number, total Haversian canal area, average Haversian canal area, fragmentary osteon number, total visible osteon density increased with age, the correlation coefficients were 0.896,0.835,0.491,0.748 and 0.906 respectively; and average intact osteon area, average fragmentary osteon area, total visible osteocyte number decreased with age, the correlation coefficients were -0.750,-0.767 and -0.715 respectively; but total intact osteon area and total fragmentary osteon area didn't change with age significantly (r=-0.005, 0.011). Then the 10 parameters were subjected to multiple stepwise regression analysis to produce an equation:=33.545+0.938X 2+249.144X 4+0.676X 7-769.784X 8-0.004X 9, its multiple correlation coefficient and standard error of estimate were 0.954 and 4.14, respectively. When the formula was tested on 30 specimens, 77% of the estimated ages fall within ±5 years of actual ages, and 100% of the estimated ages fall within ±8 years of actual ages. This paper provides a new method of age determination by bone for forensic medicine and anthropology.
出处
《人类学学报》
CSCD
北大核心
2002年第2期126-133,共8页
Acta Anthropologica Sinica
基金
辽宁省教育厅基金资助项目 (99172 1151)
