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Article: Interobserver and intraobserver error in distal femur transepicondylar axis measurement with computed tomography

TitleInterobserver and intraobserver error in distal femur transepicondylar axis measurement with computed tomography
Authors
Issue Date2009
PublisherChurchill Livingstone. The Journal's web site is located at http://www.elsevier.com/locate/arthroplastyjournal
Citation
Journal of Arthroplasty, 2009, v. 24 n. 1, p. 96-100 How to Cite?
AbstractOn 2 separate occasions at least 1 week apart, 6 independent observers studied errors in identification of the transepicondylar axis (TEA) using computed tomography in 10 cadaveric knees. The reference surgical TEA was established by dissection of specimens. We found an average error of 2.6 degrees (external rotation) when the TEA was identified by computed tomography. The error was significantly smaller when the TEA was identified by using a conventional axial image than when a 3-dimensional reconstruction image was used (P < .001, paired t test). No significant intraobserver error (P = .814, Wilcoxon rank test) was found when the measurement was performed using conventional 2-dimensional computed tomography images. However, significant interobserver difference was evident (P < .001, Friedman test).
Persistent Identifierhttp://hdl.handle.net/10722/59458
ISSN
2015 Impact Factor: 2.515
2015 SCImago Journal Rankings: 2.154
ISI Accession Number ID
Funding AgencyGrant Number
Hong Kong Orthopaedic Association
Funding Information:

Fund was received in partial support of the research material described in this article, This support was received from Hong Kong Orthopaedic Association.

 

DC FieldValueLanguage
dc.contributor.authorLie, CWHen_HK
dc.contributor.authorYau, WPen_HK
dc.contributor.authorChiu, KYen_HK
dc.contributor.authorLeung, HBen_HK
dc.contributor.authorWong, LLSen_HK
dc.contributor.authorWong, SHMen_HK
dc.date.accessioned2010-05-31T03:50:38Z-
dc.date.available2010-05-31T03:50:38Z-
dc.date.issued2009en_HK
dc.identifier.citationJournal of Arthroplasty, 2009, v. 24 n. 1, p. 96-100en_HK
dc.identifier.issn0883-5403en_HK
dc.identifier.urihttp://hdl.handle.net/10722/59458-
dc.description.abstractOn 2 separate occasions at least 1 week apart, 6 independent observers studied errors in identification of the transepicondylar axis (TEA) using computed tomography in 10 cadaveric knees. The reference surgical TEA was established by dissection of specimens. We found an average error of 2.6 degrees (external rotation) when the TEA was identified by computed tomography. The error was significantly smaller when the TEA was identified by using a conventional axial image than when a 3-dimensional reconstruction image was used (P < .001, paired t test). No significant intraobserver error (P = .814, Wilcoxon rank test) was found when the measurement was performed using conventional 2-dimensional computed tomography images. However, significant interobserver difference was evident (P < .001, Friedman test).-
dc.languageengen_HK
dc.publisherChurchill Livingstone. The Journal's web site is located at http://www.elsevier.com/locate/arthroplastyjournalen_HK
dc.relation.ispartofJournal of Arthroplastyen_HK
dc.subject.meshArthroplasty, Replacement, Knee-
dc.subject.meshFemur - anatomy and histology - radiography-
dc.subject.meshImage Processing, Computer-Assisted - statistics and numerical data-
dc.subject.meshImaging, Three-Dimensional - statistics and numerical data-
dc.subject.meshKnee Joint - anatomy and histology - radiography-
dc.titleInterobserver and intraobserver error in distal femur transepicondylar axis measurement with computed tomographyen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0883-5403&volume=24&spage=96&epage=100&date=2009&atitle=Inter-and+intra-observer+error+in+distal+femur+trasepicondylar+axis+measurement+by+using+computerized+tomographyen_HK
dc.identifier.emailLie, CWH: clie@hkucc.hku.hken_HK
dc.identifier.emailYau, WP: peterwpy@hkucc.hku.hken_HK
dc.identifier.emailChiu, KY: pkychiu@hkucc.hku.hken_HK
dc.identifier.emailLeung, HB: aleunghb@hkucc.hku.hken_HK
dc.identifier.authorityYau, WP=rp00500en_HK
dc.identifier.authorityChiu, PKY=rp00379en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.arth.2007.11.014-
dc.identifier.pmid18534429-
dc.identifier.scopuseid_2-s2.0-57649100787-
dc.identifier.hkuros162542en_HK
dc.identifier.volume24-
dc.identifier.issue1-
dc.identifier.spage96-
dc.identifier.epage100-
dc.identifier.isiWOS:000262236700016-

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