Evidence map›Paper›PMID 29464370›Full record

ArticleInternational orthopaedics2018

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

Ke Li, Etienne Cavaignac, Wei Xu, Qiang Cheng, Nobert Telmon, Wei Huang

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In one paragraph

Article in International orthopaedics, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed, 2 pooled it
2.6field-weighted citation impact, top 11% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

15 citing papers in PubMed, 2 syntheses or guidelines pooled it, 20 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Five or more gender- and size-diverse customizations of distal femur prostheses are needed to improve fit for Chinese knees.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2023
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  15. Sexual and ethnic polymorphism render prosthetic overhang and under-coverage inevitable using off-the shelf TKA implants.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2019
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors at 4 institutions in 2 countries.

Ke LiDepartment of Orthopaedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
Etienne CavaignacInstitut de l'appareil locomoteur, Hôpital Pierre-Paul Riquet, CHU Toulouse, Toulouse, France.
Wei XuDepartment of Orthopaedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
Qiang ChengDepartment of Orthopaedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China.
Nobert TelmonLaboratoire AMIS, UMR 5288 CNRS, Université Paul Sabatier, 37 allée Jules Guesdes, 31000, Toulouse, France.
Wei HuangDepartment of Orthopaedic Surgery, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China. huangwei68@263.net.
The Affiliated Yongchuan Hospital of Chongqing Medical University · CNCentre National de la Recherche Scientifique · FRChongqing Medical University · CNUniversité Toulouse III - Paul Sabatier · FR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeMorphologic 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. MATERIALS AND

methodsSexually 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.

resultsThe 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 sex estimation. The osteometric analysis also showed significant differences between the three age-related subgroups (< 40, 40-60, > 60 years, p < 0.005).

conclusionThis study showed both sex-related difference and age-related difference in the distal femur in Chinese population by 3D geometric morphometric analysis. Our bone measurements and geometric morphometric analysis suggest that population characteristics should be taken into account and may provide references for design of total knee prostheses in a Chinese population. Moreover, this reliable, accurate method could be used to perform diachronic and interethnic comparisons.

Indexed as

AdultAgedAge Determination by SkeletonAge FactorsAsian PeopleFemaleFemurHumansImaging, Three-DimensionalKnee JointMaleMiddle AgedPrincipal Component AnalysisRetrospective StudiesSex CharacteristicsSex Determination by SkeletonGender kneeKnee morphologyKnee prosthesisMorphometric analysisTotal knee replacement

Identifiers

PMID29464370
OpenAlexW2791550602

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.