Abstract
Objective To compare the diagnostic values of 3D CT and 2D CT imaging for tibial plateau fractures. Methods A retrospective study was performed to evaluate 21 tibial plateau fractures. Four experienced orthopaedists were asked To make assessmem of fracture classifications and characteristics using 3D CT and 2D CT images.Agreement test Was performed to evaluate interobserver and intraobserver reliability for fracture classification and criteria validity for fracture characteristics(intraoperative findings were taken as the golden standard).Furthermore,MeNemar test was used to compare the agreement of 3D CT results and 2D CT results respectively with the golden standard for fracture characteristics.Results When 3D CT images were used.interobserver reliability and intraobserver reliability for fracture elassiftcation increased toalmost perfect agreement.The agreement of golden standard with 3D CT results for fracture characteristics Was significantly higher than that with 2D CT results. Condmiou Since 3D CT imaging can improve the reliability and accuracy of preoperative assessment oftibial plateau fractures,it is helpful and valuable for tibial plateau fractures. Key words: Tibia; Fractures; Imasing.three-dimensional; Reliability; Validity
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