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3/12/18 1 The Basics of VHA Data Accessing, Requesting, and Analyzing Laura A. Graham, PhD, MPH Health Services Research Fellow, Ci2i, VA Palo Alto Postdoctoral Fellow, SPIRE, Stanford University Prior Steps Before requesting data access… Write a clear protocol Know your study team Get VA Access (Employed, WOC’ed) Get IRB Approval! Research Idea Protocol Funding? IRB Application DUAs / DTAs Begin Research

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  • 3/12/18

    1

    TheBasicsofVHADataAccessing,Requesting,and

    AnalyzingLauraA.Graham,PhD,MPH

    HealthServicesResearchFellow,Ci2i,VAPaloAltoPostdoctoralFellow,SPIRE,StanfordUniversity

    PriorSteps

    • Beforerequestingdataaccess…

    • Writeaclearprotocol• Knowyourstudyteam• GetVAAccess(Employed,WOC’ed)• GetIRBApproval!

    ResearchIdea

    Protocol

    Funding?

    IRBApplication

    DUAs/DTAs

    BeginResearch

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    SeekingInformationonVAData?

    • VHADataPortal• http://vaww.vhadataportal.med.va.gov/• GreatresourceforVHAdata

    • VHADataArchitectureRepository• https://vaausdarmul81.aac.dva.va.gov/• DetaileddatadictionaryforCDWtables• SearchstringcanbeusefulforfindingdataburiedinCDWtables

    SeekingInformationonVAData?

    • VAInformaticsandComputingInfrastructure(VINCI)• https://vaww.vinci.med.va.gov/vincicentral/

    • VAInformationResourceCenter(VIReC)• http://vaww.virec.research.va.gov/

    • VAHealthEconomicsResearchCenter(HERC)• http://vaww.herc.research.va.gov/

    • OfficeofPerformanceMeasurement(OPM)• https://vaww.car.rtp.med.va.gov/

    • PlanningSystemSupportGroup(PSSG)• http://vaww.pssg.med.va.gov/

    • Data.gov/CorporateDatabasesMonograph• www.data.gov

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    ReadilyAvailableDataSources

    • VHASupportServiceCenter• https://vssc.med.va.gov/• Facility-levelinformation

    • BusinessOperations• ClinicalCare• Quality&Performance

    • NationalCenterforVeteransAnalysisandStatistics• https://www.va.gov/vetdata/

    DART

    DataAccessRequestTracker

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    RequestingVHADataAccess

    • MostofyourdataaccessrequestswillbecoveredbytheDataAccessRequestTracker(DART)• https://dart.vha.med.va.gov/

    • OtherdatasourcesexistandtheirrequestprocessescanbefoundintheVHADataPortal• http://vaww.vhadataportal.med.va.gov/

    DataAccessRequestTracker(DART)

    • Onlineworkflowapplication• DatarequestsandPreptoResearchRequests

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    DataAccessRequestTracker(DART)

    • DARTisyourstartingplaceforVINCIdataaccessamongothersources• AcquiresNationalDataService(NDS)approval• OnceapprovedanassignedVHAdatamanagerwillprovideaVINCIWorkspaceandaccesstodata• WillhelpyounavigateVINCI

    VINCIhelpswithorangeboxes

    • https://dart.vha.med.va.gov/

    • CompleteanduploadtherequireddocumentsaslistedinDARTforthedatasource(s)ordatatool(s)selected.• Someofthefollowingdocumentswillberequired:

    • ResearchProjectDocumentsandApprovals• Researchstudyprotocol• ResearchandDevelopmentCommitteeApprovalLetter(s)• InstitutionalReviewBoard(IRB)ApprovalLetter(s)• IRBApprovedHIPAAAuthorizationorWaiverofHIPAAAuthorization• IRBApprovedSampleInformedConsentorWaiverofInformedConsent

    DataAccessRequestTracker(DART)

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    • Additionaldocumentsthatmayberequired:• DataRequestForms

    • ResearchRequestMemo – Replacesthe9957forALL researchrequestssubmittedthroughDART afterMarch25,2015

    • RealSSNAccessRequest – RequiredforaccesstorealSSNs• CDWDomainCheckList – CDWdataonly• VitalStatusRulesofBehavior – VitalStatusFileonly• SpecialUserAccessRequestFormforResearchers – CAPRIandVistAWeb only• SurgeryDataResearchProposalTemplate – SurgicalQualityDataUseGroup(SQDUG)dataonly

    • NationalSurgeryOffice(NSO)DataUseAgreementandSecurityInformation – SQDUGdataonly

    DataAccessRequestTracker(DART)

    DataAccessRequestTracker(DART)

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    • Onceallrequireddocumentsareuploaded andtherequesthasbeensubmitted,itwillundergoaprivacyreview.

    • Additionalreviewsarerequiredforthefollowing:• RequestsfordatawithrealSSNswillundergoreviewbytheOfficeofResearch&Development.

    • RequestswillundergoasecurityreviewusingtheinformationprovidedintheResearchRequestMemo.

    DataAccessRequestTracker(DART)

    DataAccessRequestTracker(DART)

    • WhendoIneedtorequestRealSSNs?

    • You’replanningtousechartabstraction• You’relinkingtoanotherexistingdatasourcebySSN• You’replanningtousetheTIU(TextIntegrationUtilities)

    • EverythingelseislinkedbyeitherSta3n/PatientSID orSCRSSN andyouwillreceiveacrosswalkfileonceyourrequestisapproved

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    DataAccessRequestTracker(DART)

    • AfterdataaccessapprovalaVINCIDataManagercanhelpwiththefollowing:• Cohortselection• DataExtraction• Formatting,Indexing,andSecurity

    OtherDataAccessExamples

    • OfficeofReportingAnalyticsPerformanceImprovementandDeployment(RAPID)• DUAForms

    • ProjectInformationSheet• PersonalAgreementStatement• DataAccessList

    • StudyProtocol• IRBApproval• DataRequestSpecifications

    [email protected]

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    VINCITheVAInformaticsandComputingInfrastructure

    VINCIIntroduction

    • Web-basedplatformforaccessingandanalyzingdatawithavarietyoftools• ProvidesconsultationservicesforIRBResearchfortheentirelife-cycleofaresearchproject• https://vaww.vinci.med.va.gov/vincicentral/

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    VINCIIntroduction

    • https://vaww.vinci.med.va.gov/vincicentral/

    • 105high-performanceserversand1.5petabytesofdatastorage• 450+newprojects– 17%increaseYOY• Provideddatato840+projects• VINCIDataAnalyststouchabout50projects/week• Structure

    • Windows2012R2Workspace• SQLServers(Currently3)

    • RB01:vhacdwdbs01.vha.med.va.gov• RB02:vhacdwdbs02.vha.med.va.gov• RB03:vhacdwdbs03.vha.med.va.gov

    VINCIUse

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    VINCIUserGuides

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    VINCIStandardWorkspaceApplications

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    VINCIStandardWorkspaceApplications

    • IconsontheStandardWorkspacelinktoremotedesktopservers• Yourlog-inandpasswordarethesameasforyourVAcomputer(i.e.vhapal …)• Theoveralldesktopapplicationhaslimitedsoftwareavailability.• Logintoeachapplicationseparately• Eachwillbeaseparatedesktop/server

    • TheSAS9.xiconisagoodplacetostart.

    VINCIFolderSetUp

    • Sameasonadesktop• HardDiskDrives(K,L,M,N,T,S,U,V,X)• NetworkDrives

    • P:/drive(Projects)• O:/drive(Projects2)• H:/drive

    • AllprojectfoldersaretypicallyfoundintheP:/drive• H:/isyourpersonalfolder• Allprojectfoldershaveasub-foldernamedUploads whereuploadedinformationisincluded

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    VINCIFolderSetUp

    VINCI– MoreInformation

    • MoreinformationonaccessingandusingtheVINCIWorkspacearefoundintheVINCIWorkspaceUserGuide

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    SQLServerManagementStudio

    ViewYourData

    SQLServerManagementStudio

    • 2017version• MethodforaccessingandviewingCDWdomaintableswithSQLcode• Canalsobeusedtopulldataina.txtformatifneeded• RequiressomeinitialsetuptolinktoserversandsomeSQLknowledgebutalsohaspoint-and-clickoptions thatmakeiteasytouse

    • Thebestplacetostartlookingatdatayou’vebeengivenaccesstoforyourstudy

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    SQLServerManagementStudioSetUp• VINCIDatabaseUserGuide• Section4.2.1(pages3-4)providesdetailedinformationonSQLserversetup

    DefaultSettingsToUse

    ServerType: DatabaseEngine

    ServerName: .vha.med.va.gov

    Authentication: WindowsAuthentication

    SQLServerManagementStudioDataAccess• VINCIDatabaseUserGuide• Section4.2.2(pages4-7)providesdetailedinformationonaccessingdatabases

    • Overview• Databases>CDWWork containsyourdimensiontables• Databases>ORD_XXXX>Views containsyourSQLdatatables• Right-clickand“SelectTop1000Rows”foreasyviewingofadatasource

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    SQLServerManagementStudioDataPulls• NotasefficientasaSASpullbutcanbedone

    • First,setupyourquery.YourinitialrunswillbeoutputtoGrid.

    • Onceyourqueryissetup• Use“Query>ResultsTo”tochangeto“ResultstoFile”• Then“Query>QueryOptions…”tosetupyourfilebutnavigatingthrough“Results>Text”

    ApplicationsforAnalysis

    AnalyzeYourData

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    VINCIStandardWorkspaceApplications

    VINCISAS

    • LotsofUserGuidesforreference• Thiscourseisonlyanintrobutthesewillansweryourmoreadvancedquestions.

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    VINCISAS

    • SeveralversionsofSASareavailableforuse.• SAS9.2• SAS9.4• SASEnterpriseGuide7.1

    • Allofferdifferentcapabilitiessocheckwithallofthem

    VINCISAS

    • “Grid”referstotheLinuxoperatingsystemwhereSASEnterpriseGuide7.1 runs• Youwillneedaslightlydifferentlibname reference:“/data/dart/2014/ORD_Smith_201401001D/“

    • YouwillalsoneedtouseWINSCPfordatatransferandaPIV-exemptiontoaccesstheGrid

    • Checkout“Grid– WheretoBegin?”formoreinformation• SAS9.2and9.4 arenotonthegridandsometimeseasiertoworkfrom.• Plus,SAS9.2istheonlyprogramwithPROCTRAJ!

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    VINCISASDataPulls

    • ItendtouseSAS9.2orSAS9.4totunnelintotheCDWandpullmydatadirectlyintoSAS.

    • Thisrequiresthefollowingcode:

    • TheCatalogischangedtoreferenceyourprojectfolder.• “Datasource”mayalsoneedtobechangedbasedonyourprojectserver.• Schemawillchangebasedonwhatviewyouarelookingat(SRC,Dim,…)

    VINCISASDataPulls

    • PROCSQListypicallyhowIpullandmergethedatainSAS9.4• IinitiallysetupthetestdatapullsinSQLManagementStudiousingapullofthetop100 totestthequeries• OncemySQLcodelooksIgoodthenImoveittoSAS,removethebrackets,updatethelibnames andrun.

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    VINCISASDataPulls

    • ThiscangetcomplicatedwithmultiplejoinsandWherestatements.

    VINCISASDataPulls

    • SQLpass-throughlanguageisalsoaquickwayoftunnelingintotheSQLtablesandpullingoutdata.

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    VINCIEnterpriseGuide7.1

    • VINCISAS9.4and9.2arelimitedinthetypesofanalysesthatcanbedone

    • VINCIEnterpriseGuideofferseverythingandisbyfarthemostcapableoftheSASproductsbutyouhavetosetuplinkstotheGridandmoveyourfilestotheLinuxsystem

    • Itendtodomostofmydatamanagementandcleaningin9.4andthenswitchtheanalyticdatasettoLinuxformyanalyses

    VINCIEnterpriseGuide7.1

    • ThefirststeptousingEnterpriseGuide7.1istocheckyourLinuxsystemregistrationbysettingupWinSCP• OncesetupWinSCP isyourmethodformovingfilesfromPCtoLinux• ThiscanbedonebyfollowingtheinstructionsinUsingEnterpriseGuidewiththeGrid

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    WinSCP

    VINCIEnterpriseGuide7.1

    • TouseSASEnterpriseGuide7.1youwillneedtosetupyourconnection

    • ThiscanbedonebyfollowingtheinstructionsinUsingEnterpriseGuidewiththeGrid

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    Policies

    ProtectYourData

    PoliciesforElectronicData

    • VAHandbook6500• DefinitionsandguidancefortheVHA

    • KeyPoints• USBdrivesareforbidden• DonotstoresensitiveinformationonaHardDrive(C:/Drive).Trynottostoreanythingonaharddrive.

    • Sensitiveinformationcanneverbetransported,accessed,processedorotherwiseusedoffsite.DON’TEMAILDATA!

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    TypesofData

    1. IndividuallyIdentifiableHealthInformation2. ProtectedHealthInformation(PHI)3. PersonallyIdentifiableInformation(PII)4. VASensitiveInformation/Data

    • VHAHandbook6500 providesguidanceondefinitionsandmanagement

    DisposalofData

    • GovernedbytheVHARecordControlSchedule (RCS10-1)

    • Currentguidance(Item8300.6,PageIII-8-6)• Temporary;cutoffattheendofthefiscalyearaftercompletionoftheresearchproject.• Destroy6yearsaftercutoff,mayretainlongerifrequiredbyotherFederalregulations.(DAA-0015-2015-0004,item0032)

    • IftheinvestigatorleavesVA,allresearchrecordsareretainedbytheVAfacilitywheretheresearchwasconducted.

    • IfthegrantisongoingandtheinvestigatorleavesoneVAfacilitytogotoanotherVAfacility,theinvestigatormustobtainapprovalforacopyofrelevantmaterialstobeprovidedtothenewVAfacility'sresearchoffice.

    • Theinvestigatorisnotthegrantee,nordoestheinvestigatorownthedata.

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    FunThingstoDo

    FullOrganizationalView

    • >9MillionEnrolledPatients

    • 170VAMedicalCenters(141withSurgicalCapacity)

    • 1,063OutpatientCenters

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    LongitudinalData

    • AllvitalsandlaboratoryvaluescollectedintheVAareeasilyaccessible

    • Pharmacyprescriptions–inpatient,outpatient,andevenevidenceofnon-VAprescriptionsareavailable

    JAMA Surg. 2014;149(11):1113-1120. doi:10.1001/jamasurg.2014.2044

    NaturalLanguageProcessingCapabilities

    • Linguistic-computerscienceresearch• Abilityofacomputerprogramtounderstandhumanlanguageasitiswritten infree-textofclinicalnotes• SeveralVAtoolstoworkwith

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    Thankyou!