Stature Estimation of Sichuan Han Females Based on X-ray Photography of Total Lower Limbs.
10.12116/j.issn.1004-5619.2019.01.003
- Author:
Jing Hui CUI
1
;
Ying Zhen LUO
1
;
Yun Feng CHANG
2
;
Zhao PENG
3
;
Li Ping DENG
3
;
Kui ZHANG
1
;
Zhen Hua DENG
1
Author Information
1. West China School of Preclinical and Forensic Medicine, Sichuan University, Chengdu 610041, China.
2. Department of Forensic Medicine, School of Basic Medical Science Central South University, Changsha 410013, China.
3. West China Hospital, Sichuan University, Chengdu 610041, China.
- Publication Type:Journal Article
- Keywords:
forensic anthropology;
X-rays;
body height;
bones of lower extremity;
Sichuan;
female
- MeSH:
Asian People;
Body Height;
Child, Preschool;
Female;
Forensic Anthropology;
Humans;
Lower Extremity;
Photography;
Regression Analysis;
X-Rays
- From:
Journal of Forensic Medicine
2019;35(1):11-16
- CountryChina
- Language:English
-
Abstract:
OBJECTIVES:To establish a mathematical model of stature estimation for Sichuan Han females on the basis of the relationship between lower limbs and individual height, thus to provide evidence for forensic identification.
METHODS:Samples were collected from 171 Sichuan Han females. Large flat panel multi-function digital photography system was used to take the full-body X-ray films of the lower limbs. Indexes of long bones and stature of the subjects were measured, respectively. A linear regression analysis was carried out on the correlation between them, and a mathematical model of the stature calculation was established. Then the mathematical model was used to calculate the stature of another 29 Sichuan Han females to test its accuracy.
RESULTS:The maximum length of femur （x1） had the highest correlation with stature. A total of 13 linear regression equations were established （P<0.05）, with the correlation coefficient （R） 0.821-0.897 and the standard error of the estimation （SEE） 2.994-3.812 cm. The backtesting showed that the equation y=41.604+1.205 x1+1.318 x6+2.444 x12+1.852 x13-2.388 x14 had the smallest mean absolute deviation （2.485 years old） and the highest accuracy of ±2SEE （92.9%）, and that the equation y=48.783+2.568 x1 had the highest accuracy of ±1SEE （60.7%）.
CONCLUSIONS:The stature estimation is high by using the long bones of the lower limbs has high accuracy.
