title: To compare PubMed Clinical Queries and UpToDate in teaching information mastery to clinical residents: a crossover randomized controlled trial.
abstract: OBJECTIVE
  To compare PubMed Clinical Queries and UpToDate regarding the amount and speed of information retrieval and users' satisfaction.
  
  
  METHODS
  A cross-over randomized trial was conducted in February 2009 in Tehran University of Medical Sciences that included 44 year-one or two residents who participated in an information mastery workshop. A one-hour lecture on the principles of information mastery was organized followed by self learning slide shows before using each database. Subsequently, participants were randomly assigned to answer 2 clinical scenarios using either UpToDate or PubMed Clinical Queries then crossed to use the other database to answer 2 different clinical scenarios. The proportion of relevantly answered clinical scenarios, time to answer retrieval, and users' satisfaction were measured in each database.
  
  
  RESULTS
  Based on intention-to-treat analysis, participants retrieved the answer of 67 (76%) questions using UpToDate and 38 (43%) questions using PubMed Clinical Queries (P<0.001). The median time to answer retrieval was 17 min (95% CI: 16 to 18) using UpToDate compared to 29 min (95% CI: 26 to 32) using PubMed Clinical Queries (P<0.001). The satisfaction with the accuracy of retrieved answers, interaction with UpToDate and also overall satisfaction were higher among UpToDate users compared to PubMed Clinical Queries users (P<0.001).
  
  
  CONCLUSIONS
  For first time users, using UpToDate compared to Pubmed Clinical Queries can lead to not only a higher proportion of relevant answer retrieval within a shorter time, but also a higher users' satisfaction. So, addition of tutoring pre-appraised sources such as UpToDate to the information mastery curricula seems to be highly efficient.
authors.affiliation: Center for Educational Research in Medical Sciences, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Ladan
authors.initials: L
authors.lastname: Sayyah Ensan
authors.forename: Masoomeh
authors.initials: M
authors.lastname: Faghankhani
authors.forename: Anna
authors.initials: A
authors.lastname: Javanbakht
authors.forename: Seyed-Foad
authors.initials: SF
authors.lastname: Ahmadi
authors.forename: Hamid Reza
authors.initials: HR
authors.lastname: Baradaran
mesh_terms: D000328:Adult; D002983:Clinical Competence / Q000592:standards; D018592:Cross-Over Studies; D019317:Evidence-Based Medicine; D005260:Female; D006801:Humans; D016247:Information Storage and Retrieval / Q000592:standards*; D020407:Internet; D007396:Internship and Residency / Q000379:methods*; D008297:Male; D008490:Medical Informatics / Q000592:standards*; D010817:Physician-Patient Relations; D039781:PubMed / Q000592:standards*; D013663:Teaching / Q000379:methods*