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Developmental Dysplasia of the Hip: Quality of Reporting of Diagnostic Accuracy for US¹

¹ From the Department of Orthopaedic Surgery, Great Ormond Street Hospital for Children, Institute of Child Health, University College London, Great Ormond St, London WC1N 3JH, England (A.R.); Population Health Sciences Research Institute (N.M.M., A.S.D.) and Department of Diagnostic Imaging (A.S.D.), the Hospital for Sick Children, Toronto, Ontario, Canada; the Hospital for Sick Children Library, Toronto, Ontario, Canada (E.U.); and Department of Medical Imaging, University of Toronto, Ontario, Canada (A.S.D.). Received August 15, 2005; revision requested October 19; revision received November 2; accepted December 1; final version accepted February 1, 2006. Address correspondence to A.R. (e-mail: a.roposch{at}ich.ucl.ac.uk).

Purpose: To systematically review the quality of diagnostic accuracy reporting in studies on the use of ultrasonography (US) for the diagnosis of developmental dysplasia of the hip (DDH).

Materials and Methods: A systematic review of the MEDLINE, EMBASE, DARE, and Cochrane Library databases was performed by using a validated search strategy. Two independent reviewers evaluated articles by using the Standards for Reporting of Diagnostic Accuracy (STARD) and Quality Assessment of Studies of Diagnostic Accuracy included in Systematic Reviews (QUADAS) statements. Items were reported individually for STARD and QUADAS because these instruments do not incorporate a summary score. A simple statistic with 95% confidence intervals was used to measure the level of agreement between the two reviewers.

Results: Ten studies were included. In three studies, reliability was investigated, and in seven studies elements of both validity and reliability were investigated. In no study did the authors adequately report more than 40% of the STARD items. The quality of methods that were used in the studies was poor. Only one (14%) of seven studies provided information on more than 50% of the QUADAS items. All studies included a good description of image acquisition, but data analysis was imperfect and lacked estimates of diagnostic accuracy and precision. Authors tended to overinterpret their results.

Conclusion: Overall, there was imperfect reporting of diagnostic accuracy in studies on the use of US for diagnosis of DDH.

Supplemental material: radiology.rsnajnls.org/cgi/content/full/2413051358/DC1

© RSNA, 2006

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