Biomechanical studies: science (f)or common sense?

Mellema,JJ, Doornberg,JN, Guitton,TG and Ring,D 2014, Biomechanical studies: science (f)or common sense?, Injury, vol. 45, no. 12, pp. 2035-2039, doi: 10.1016/j.injury.2014.09.014.

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Title Biomechanical studies: science (f)or common sense?
Author(s) Mellema,JJ
Journal name Injury
Volume number 45
Issue number 12
Start page 2035
End page 2039
Publisher Elsevier
Place of publication London, England
Publication date 2014-12
ISSN 0020-1383
Summary  Introduction: It is our impression that many biomechanical studies invest substantial resources studying the obvious: that more and larger metal is stronger. The purpose of this study is to evaluate if a subset of biomechanical studies comparing fixation constructs just document common sense. Methods: Using a web-based survey, 274 orthopaedic surgeons and 81 medical students predicted the results of 11 biomechanical studies comparing fracture fixation constructs (selected based on the authors' sense that the answer was obvious prior to performing the study). Sensitivity, specificity, and accuracy were calculated according to standard formulas. The agreement among the observers was calculated by using a multirater kappa, described by Siegel and Castellan. Results: The accuracy of predicting outcomes was 80% or greater for 10 of 11 studies. Accuracy was not influenced by level of experience (i.e., time in practice and medical students vs. surgeons). There were substantial differences in accuracy between observers from different regions. The overall categorical rating of inter-observer reliability according to Landis and Koch was moderate (k = 0.55; standard error (SE) = 0.01). Conclusion: The results of a subset of biomechanical studies comparing fracture fixation constructs can be predicted prior to doing the study. As these studies are time and resource intensive, one criterion for proceeding with a biomechanical study should be that the answer is not simply a matter of common sense. © 2014 Elsevier Ltd. All rights reserved.
Language eng
DOI 10.1016/j.injury.2014.09.014
Field of Research 119999 Medical and Health Sciences not elsewhere classified
Socio Economic Objective 929999 Health not elsewhere classified
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Elsevier
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Document type: Journal Article
Collections: Faculty of Health
School of Medicine
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