Volume 10, Issue 3, 16 March 2015, Article number e0119892
Is quality and
completeness of reporting of systematic reviews and meta-analyses
published in high impact radiology journals associated with citation
rates? (Article)
a
Department of Radiology, University of Ottawa, Ottawa, ON, Canada
b
Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
Department of Radiology, University of Ottawa, Ottawa, ON, Canada
b
Clinical Epidemiology Program, Ottawa Hospital Research Institute, Ottawa, ON, Canada
Abstract
Purpose:Thepurposeofthisstudyistodeterminewhetherstudyqualityandcompletenessofreportingofsystematicreviews(SR)andmeta-analyses(MA)publishedinhighimpactfactor(IF)radiologyjournalsisassociatedwithcitationrates.Methods:AllSRandMApublishedinEnglishbetweenJan2007-Dec2011,inradiologyjournalswithanIF>2.75,wereidentifiedonOvidMEDLINE.TheAssessingtheMethodologicQualityofSystematicReviews(AMSTAR)checklistforstudyquality,andthePreferredReportingItemsforSystematicReviewsandMeta-Analyses(PRISMA)checklistforstudycompleteness,wasappliedtoeachSR&MA.EachSR&MAwasthensearchedinGoogleScholartoyieldacitationrate.SpearmancorrelationcoefficientswereusedtoassesstherelationshipbetweenAMSTARandPRISMAresultswithcitationrate.MultivariateanalyseswereperformedtoaccountfortheeffectofjournalIFandjournal5-yearIFoncorrelationwithcitationrate.Valueswerereportedasmedianswithinterquartilerange(IQR)provided.Results:129studiesfrom11journalswereincluded(50SRand79MA).MedianAMSTARresultwas8.0/11(IQR:5-9)andmedianPRISMAresultwas23.0/27(IQR:21-25).ThemediancitationrateforSR&MAwas0.73citations/monthpost-publication(IQR:0.40-1.17).TherewasapositivecorrelationbetweenbothAMSTARandPRISMAresultsandSR&MAcitationrate;ρ=0.323(P=0.0002)andρ=0.327(P=0.0002)respectively.PositivecorrelationpersistedforAMSTARandPRISMAresultsafterjournalIFwaspartialedout;ρ=0.243(P=0.006)andρ=0.256(P=0.004),andafterjournal5-yearIFwaspartialedout;ρ=0.235(P=0.008)andρ=0.243(P=0.006)respectively.Conclusion:ThereisapositivecorrelationbetweenthequalityandthecompletenessofareportedSRorMAwithcitationratewhichpersistswhenadjustedforjournalIFandjournal5-yearIF.©2015vanderPoletal.
ISSN: 19326203
CODEN: POLNCSource Type: Journal
Original language: English
DOI: 10.1371/journal.pone.0119892Document Type: Article
Publisher: Public Library of Science
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