Embase: PICO search - University of Bath Library
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PICO is a model that helps medical practitioners to define a research question. In Embase, PICO stands for: Population: the problem, disease or condition to ...
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Embase:PICOsearch
IntroductionQuicksearchEmtreesearchPICOsearchMoresearchtypesLimitsandFiltersManagingyoursearches
WhatisPICO?
PICO isamodelthathelpsmedicalpractitionerstodefine aresearchquestion. In Embase,PICO standsfor:
Population: theproblem,diseaseorconditiontoberesearched
Intervention: theproposedsolution,e.g.amedicine
Comparison: isthisinterventiontobecomparedagainstanalternativeintervention,forexampleaplacebo?
Outcome: whatwouldyouliketomeasure,forexample(absenceof)pain?
PICOsearchexample
Tofindoutwhetheramoxycillinisaneffectivetreatmentforearinfection(acuteotitismedia),bymeasuringtheoutcomeofwhetherthepatientstillhasearache(otalgia):
Youcanchoosewhethertoaddsynonymsforyourterms.Thiscanbeparticularlyusefulfordrugterms. Fortheexampleabove,amoxycillin,ifyouincludesynonymsyouwillalsosearchfor itsfullchemicalname 6-[[amino(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylicacidandtradenamessuchastrimoxandmoxitab.It'sbesttoreadthelistofsynonymsanddecidewhichtoincludeorexclude:someofthemmaybeunhelpful!
PICOsearchoptions
Atthetopofthescreenyoucanchoosefrom4 differentsearchstrategyoptions. Theoptionscanalsobeselectedfromthedrop-downarrownexttoeachsearchterm:
Tofindthemaximumnumberofresults,usethe/broption. ThissearchesforthetermintheEmtreeindexanditssubheadings plus itdoesafreetextsearchofallfieldsofthedatabase.
/exp meansitwillsearchfortheterminthe Emtree indexanditssubheadings
/demeans fortheterminthe Emtree indexwithoutsubheadings
Use/mjforoneormoreofyourterms ifyouarefindingtoomanyresultsanddon'tneedacomprehensivesearchoftheliterature. /mj limitsyoursearchtoarticleswheretheindexershavedecidedthatthetopicisthemajorfocusofthejournalarticle.
ButadisadvantageofthePICOsearchisthatyoucannotselectmorethanoneofthese4options.IfyouusetheEmtree searchyoucanapplyboth/expand/mjtoyourterm.
MorebenefitsofPICOsearch
Youdon'thavetousethePICOsearchformforatraditionalPICO-typesearch,itcanbeusedforanysearch.
TermsyouenteronasinglelinewillbecombinedusingOR
TermsyouenterondifferentlineswillbecombinedwithAND
Themainbenefitof thisoveranEmtreesearchisthatyoucanenterallofthesynonymsforyoursearchterm. Forexample,thetermPharmacy(Shop)wasintroducedintoEmtreein2019. SearchingforthisinEmtreewillgiveyouabout87,000results. Butithas13synonymswhichwon'tbesearchedinEmtree: apothecary;chemist(shop);chemistshop;chemist'sshop;communitypharmacy;communitypharmacyservices;pharmaceuticalservice;pharmaceuticalservices;pharmaceuticalservices,online;pharmacies;pharmacy;retailpharmacy. ThisPICOsearchwillgiveabout782,000results:
Video
Elsevierprovidesa2minutevideoonhowtousethePICOsearchform.
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