Morphometric evaluation of the knee in Chinese population reveals sexual dimorphism and age-related differences

International Orthopaedics
Ke LiWei Huang

Abstract

Morphologic data of the knee is very important in the design of total knee prostheses. Generally, the designs of the total knee prostheses are based on the knee anatomy of Caucasian population. Moreover, in forensic medicine, a person's age and sex might be estimated by the shape of their knees. The aim of this study is to utilize three-dimensional morphometric analysis of the knee in Chinese population to reveal sexual dimorphism and age-related differences. Sexually dimorphic differences and age-related differences of the distal femur were studied by using geometric morphometric analysis of ten osteometric landmarks on three-dimensional reconstructions of 259 knees in Chinese population. General Procrustes analysis, PCA, and other discriminant analysis such as Mahalanobis and Goodall's F test were conducted for the knee to identify sexually dimorphism and age-related differences of the knee. The shape of distal femur between the male and female is significantly different. A difference between males and females in distal femur shape was identified by PCA; PC1 and PC2 accounted for 61.63% of the variance measured. The correct sex was assigned in 84.9% of cases by CVA, and the cross-validation revealed a 81.1% rate of correct se...Continue Reading

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Citations

Feb 6, 2020·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Jacobus H MüllerEtienne Cavaignac
Feb 17, 2019·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Ke LiEtienne Cavaignac
Nov 11, 2020·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Ke LiEtienne Cavaignac
Jan 30, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Lucas BeckersMichel P Bonnin
Dec 10, 2020·Orthopaedic Journal of Sports Medicine·Dimitris DimitriouTsung-Yuan Tsai
Oct 2, 2021·Archives of Orthopaedic and Trauma Surgery·Marc-Daniel AhrendFelix Finger

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