Protocol registration issues of systematic review and meta-analysis studies: a survey of global researchers
Tawfik G, Giang H, Ghozy S, Altibi A, Kandil H, Le H, Eid P, Radwan I, Makram O, Hien T, Sherif M, Hossain A, Thang T, Puljak L, Salem H, Numair T, Moji K, Huy N. Protocol registration issues of systematic review and meta-analysis studies: a survey of global researchers. BMC Medical Research Methodology 2020, 20: 213. PMID: 32842968, PMCID: PMC7448304, DOI: 10.1186/s12874-020-01094-9.Peer-Reviewed Original ResearchConceptsProtocol registrationMethodsA cross-sectional survey studyCross-sectional survey studySurvey studySystematic reviews/meta-analysisMeta-analysis studySR/MAsSystematic reviewConclusionAbout halfCochrane guidelinesMeta-analysisSR/MALiterature searchIncreased awarenessOnline questionnaireParticipantsProtocol registryPROSPEROE-mailScopus databasesSurveyProtocol databaseAwarenessDatabaseRegistration process