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        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <Form990PartVIISectionAGrp>
        <PersonNm>SARAH MURPHY</PersonNm>
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        <HighestCompensatedEmployeeInd>X</HighestCompensatedEmployeeInd>
        <ReportableCompFromOrgAmt>137604</ReportableCompFromOrgAmt>
        <ReportableCompFromRltdOrgAmt>0</ReportableCompFromRltdOrgAmt>
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      <TotReportableCompRltdOrgAmt>0</TotReportableCompRltdOrgAmt>
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      <IndivRcvdGreaterThan100KCnt>13</IndivRcvdGreaterThan100KCnt>
      <FormerOfcrEmployeesListedInd>0</FormerOfcrEmployeesListedInd>
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      <ContractorCompensationGrp>
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          <BusinessName>
            <BusinessNameLine1Txt>FIVOS</BusinessNameLine1Txt>
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        <ContractorAddress>
          <USAddress>
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          </USAddress>
        </ContractorAddress>
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      <ContractorCompensationGrp>
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          <BusinessName>
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          <USAddress>
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      <ContractorCompensationGrp>
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          <USAddress>
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          </USAddress>
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      </ContractorCompensationGrp>
      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
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        </ContractorAddress>
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      <ContractorCompensationGrp>
        <ContractorName>
          <BusinessName>
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          <USAddress>
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            <StateAbbreviationCd>TX</StateAbbreviationCd>
            <ZIPCd>75373</ZIPCd>
          </USAddress>
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      <TotalContributionsAmt>1558340</TotalContributionsAmt>
      <ProgramServiceRevenueGrp>
        <Desc>QUALITY PRACTICE</Desc>
        <BusinessCd>541900</BusinessCd>
        <TotalRevenueColumnAmt>3594021</TotalRevenueColumnAmt>
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      </ProgramServiceRevenueGrp>
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        <BusinessCd>541900</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>2721456</RelatedOrExemptFuncIncomeAmt>
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      <ProgramServiceRevenueGrp>
        <Desc>ANNUAL MEETING</Desc>
        <BusinessCd>541900</BusinessCd>
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        <RelatedOrExemptFuncIncomeAmt>2161996</RelatedOrExemptFuncIncomeAmt>
      </ProgramServiceRevenueGrp>
      <ProgramServiceRevenueGrp>
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        <BusinessCd>541900</BusinessCd>
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      <ProgramServiceRevenueGrp>
        <Desc>RESEARCH</Desc>
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        <RelatedOrExemptFuncIncomeAmt>1567913</RelatedOrExemptFuncIncomeAmt>
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        <TotalRevenueColumnAmt>379166</TotalRevenueColumnAmt>
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        <ExclusionAmt>395416</ExclusionAmt>
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      <GrossAmountSalesAssetsGrp>
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      <GrantsToDomesticIndividualsGrp>
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      <CompCurrentOfcrDirectorsGrp>
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        <TotalAmt>613553</TotalAmt>
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      <PayrollTaxesGrp>
        <TotalAmt>368561</TotalAmt>
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      <FeesForServicesLegalGrp>
        <TotalAmt>13185</TotalAmt>
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      <FeesForServicesAccountingGrp>
        <TotalAmt>51413</TotalAmt>
      </FeesForServicesAccountingGrp>
      <FeesForServicesLobbyingGrp>
        <TotalAmt>58825</TotalAmt>
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        <TotalAmt>662445</TotalAmt>
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      <AdvertisingGrp>
        <TotalAmt>21278</TotalAmt>
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      <InformationTechnologyGrp>
        <TotalAmt>848645</TotalAmt>
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      <OccupancyGrp>
        <TotalAmt>401111</TotalAmt>
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      <TravelGrp>
        <TotalAmt>378870</TotalAmt>
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      <ConferencesMeetingsGrp>
        <TotalAmt>1506429</TotalAmt>
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        <Desc>MANAGEMENT SERVICES</Desc>
        <TotalAmt>958230</TotalAmt>
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      <OtherExpensesGrp>
        <Desc>HONORARIA</Desc>
        <TotalAmt>637525</TotalAmt>
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      <OtherExpensesGrp>
        <Desc>BOOKS, DUES, FEES AND S</Desc>
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        <Desc>UNRELATED BUSINESS INCO</Desc>
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        <TotalAmt>420162</TotalAmt>
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        <EOYAmt>2763898</EOYAmt>
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        <EOYAmt>9269294</EOYAmt>
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      <OrganizationFollowsFASB117Ind>X</OrganizationFollowsFASB117Ind>
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        <EOYAmt>16949481</EOYAmt>
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        <EOYAmt>487438</EOYAmt>
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        <EOYAmt>17436919</EOYAmt>
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      <TotLiabNetAssetsFundBalanceGrp>
        <BOYAmt>23352063</BOYAmt>
        <EOYAmt>26706213</EOYAmt>
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      <ReconcilationRevenueExpnssAmt>622260</ReconcilationRevenueExpnssAmt>
      <NetUnrlzdGainsLossesInvstAmt>-828966</NetUnrlzdGainsLossesInvstAmt>
      <OtherChangesInNetAssetsAmt>0</OtherChangesInNetAssetsAmt>
      <InfoInScheduleOPartXIIInd>X</InfoInScheduleOPartXIIInd>
      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
      <FSAuditedInd>1</FSAuditedInd>
      <FSAuditedBasisGrp>
        <ConsolidatedBasisFinclStmtInd>X</ConsolidatedBasisFinclStmtInd>
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      <AuditCommitteeInd>1</AuditCommitteeInd>
      <FederalGrantAuditRequiredInd>0</FederalGrantAuditRequiredInd>
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      <ContributorInformationGrp>
        <ContributorNum>RESTRICTED</ContributorNum>
        <ContributorBusinessName>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorBusinessName>
        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
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        <USAddress>
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        <EndYearBalanceAmt>325698</EndYearBalanceAmt>
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      <OtherAssetsOrgGrp>
        <Desc>OTHER RECEIVABLES</Desc>
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      <OtherLiabilitiesOrgGrp>
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      <FootnoteTextInd>X</FootnoteTextInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART V, LINE 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>SVS MAINTAINS ONE ENDOWMENT FUND, KNOWN AS THE HAIMOVICI ENDOWMENT FUND. THE FUND WAS ENDOWED WITH A CORPUS OF $225,000 AND WAS ESTALISHED TO EXCLUSIVELY SUPPORT AND HONOR INTERNATIONAL WORK AND STUDY IN THE FIELD OF VASCULAR SURGERY.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART X, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>THE SOCIETY IS ORGANIZED AS A (ILLINOIS) TAX-EXEMPT CORPORATION AS DEFINED BY SECTION 501(C)(6) OF THE INTERNAL REVENUE CODE. THE SOCIETY IS SUBJECT TO INCOME TAXES ON UNRELATED BUSINESS ACTIVITIES WHICH INCLUDES UNRELATED BUSINESS INCOME EARNED FROM HOSTING A CAREER DATABASE LINK ON THE SOCIETY WEBSITE. INCOME TAX EXPENSE FOR THE YEARS ENDED MARCH 31, 2023 AND 2022 WAS $84,737 AND $79,241, RESPECTIVELY. THE PSO, AS A SOLE MEMBER LIMITED LIABILITY COMPANY, IS A DISREGARDED ENTITY FOR INCOME TAX PURPOSES. THE ORGANIZATION FOLLOWS THE REQUIREMENTS FOR ACCOUNTING FOR UNCERTAIN TAX POSITIONS. THE ORGANIZATION HAS DETERMINED THAT IT IS NOT REQUIRED TO RECORD A LIABILITY RELATED TO UNCERTAIN TAX POSITIONS AS OF MARCH 31, 2023 AND 2022.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART VI, LINE 1E:</FormAndLineReferenceDesc>
        <ExplanationTxt>OTHER INCLUDES COMPUTER HARDWARE, COMPUTER SOFTWARE, AND CONTENT AND ASSOCIATION MANAGEMENT SYSTEMS.</ExplanationTxt>
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          <BusinessNameLine1Txt>DUKE UNIVERSITY</BusinessNameLine1Txt>
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        <USAddress>
          <AddressLine1Txt>PO BOX 104132</AddressLine1Txt>
          <CityNm>DURHAM</CityNm>
          <StateAbbreviationCd>NC</StateAbbreviationCd>
          <ZIPCd>27708</ZIPCd>
        </USAddress>
        <RecipientEIN>560532129</RecipientEIN>
        <IRCSectionDesc>501C3</IRCSectionDesc>
        <CashGrantAmt>10000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH SEED GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>RUTGERS THE STATE UNIVERSITY</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>33 KNIGHTSBRIDGE RD</AddressLine1Txt>
          <CityNm>PISCATAWAY</CityNm>
          <StateAbbreviationCd>NJ</StateAbbreviationCd>
          <ZIPCd>08854</ZIPCd>
        </USAddress>
        <RecipientEIN>237318742</RecipientEIN>
        <CashGrantAmt>10000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH SEED GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>VASCULAR SURGERY ASSOCIATES</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>5020 BRISTOL RD</AddressLine1Txt>
          <CityNm>FLINT</CityNm>
          <StateAbbreviationCd>MI</StateAbbreviationCd>
          <ZIPCd>48507</ZIPCd>
        </USAddress>
        <RecipientEIN>592332559</RecipientEIN>
        <CashGrantAmt>10000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>RESEARCH SEED GRANT</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>2</Total501c3OrgCnt>
      <TotalOtherOrgCnt>1</TotalOtherOrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>RESIDENT STUDENT TRAVEL SCHOLARSHIP</GrantTypeTxt>
        <RecipientCnt>62</RecipientCnt>
        <CashGrantAmt>25000</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>VAM INTERNATIONAL SCHOLARS AWARD</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>5000</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>LEADERSHIP DEVELOPMENT PROGRAM - MASTERY GRANT</GrantTypeTxt>
        <RecipientCnt>2</RecipientCnt>
        <CashGrantAmt>6000</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART I, LINE 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>SVS MAINTAINS RECORDS OF GRANT APPLICATIONS, SUBMISSIONS, AND SELECTION PROCESSES FOR ALL AWARDS. ONCE APPROVED, SVS ISSUES WRITTEN CORRESPONDENCE THAT CONFIRMS AWARD AMOUNTS AND COMPLIANCE REQUIREMENTS TO GRANTEES. THE PROCEDURES FOR GRANT APPLICATION, SELECTION, CRITERIAL, PROCESS AND REVIEW ARE PUBLISHED ON SVS' WEBSITE.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <WrittenEmploymentContractInd>X</WrittenEmploymentContractInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KENNETH M SLAW PHD</PersonNm>
        <TitleTxt>EXECUTIVE DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>348581</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>30000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>12200</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>26271</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>417052</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>JAMES WADZINSKI</PersonNm>
        <TitleTxt>DEPUTY EXECUTIVE DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>216342</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>0</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>11874</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>228216</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KRISTOPHER HUFFMAN</PersonNm>
        <TitleTxt>DIRECTOR OF ANALYTICS</TitleTxt>
        <BaseCompensationFilingOrgAmt>152785</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>1000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>6208</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>11568</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>171561</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>KEVIN ONORATO</PersonNm>
        <TitleTxt>IT DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>143713</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>6204</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>5974</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>11567</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>167458</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>SARAH MURPHY</PersonNm>
        <TitleTxt>DIRECTOR OF RESEARCH</TitleTxt>
        <BaseCompensationFilingOrgAmt>131863</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>5741</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>5338</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>16052</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>158994</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>RUPA BROSSEAU</PersonNm>
        <TitleTxt>DEPUTY EXECUTIVE DIRECTOR</TitleTxt>
        <BaseCompensationFilingOrgAmt>138606</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>5000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>5730</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>1422</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>150758</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 6</FormAndLineReferenceDesc>
        <ExplanationTxt>MEMBERSHIP CATEGORIES CONSIST OF THE FOLLOWING: 1) CANDIDATE, 2) ACTIVE, 3) SENIOR, 4) ASSOCIATE, 5) AFFILIATE, 6) HONORARY, AND 7) INTERNATIONAL. MEMBERSHIP ADMISSION MAY BE GRANTED BY AN ACTION OF THE SECRETARY, APPROVAL BY THE MEMBERSHIP COMMITTEE AND BOARD OF DIRECTORS, MAJORITY VOTE OF MEMBERS PRESENT AT THE ANNUAL MEETING, AND/OR SOME OTHER OCCURRENCE OR EVENT, DEPENDING ON THE MEMBERSHIP CATEGORY.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7A</FormAndLineReferenceDesc>
        <ExplanationTxt>THE GOVERNING BODY IS ELECTED BY A MAJORITY VOTE OF THE ACTIVE AND SENIOR MEMBERS PRESENT AT THE ANNUAL MEETING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION A, LINE 7B</FormAndLineReferenceDesc>
        <ExplanationTxt>ACTIVE AND SENIOR MEMBERS SHALL HAVE SUCH RIGHTS AND OBLIGATIONS AS MAY BE APPROVED BY THE BOARD OF DIRECTORS, INCLUDING VOTING AT THE ANNUAL MEETING, SERVING ON COMMITTEES OR COUNCILS, SERVING AS CHAIRS OF COMMITTEES OR COUNCILS, OR HOLDING ELECTED OFFICE. CANDIDATE, ASSOCIATE, AFFILIATE, HONORARY, AND INTERNATIONAL MEMBERS SHALL HAVE SUCH RIGHTS AND OBLIGATIONS AS MAY BE APPROVED BY THE BOARD OF DIRECTORS, INCLUDING SERVING ON COMMITTEES AND VOTING ON THOSE SPECIFIC COMMITTEES, BUT SHALL NOT BE PERMITTED TO VOTE ON OTHER SVS BUSINESS, HOLD ELECTED OFFICE OR SERVE AS CHAIRS OF COUNCILS OR COMMITTEES.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 11B</FormAndLineReferenceDesc>
        <ExplanationTxt>EXECUTIVE DIRECTOR AND BOARD OF DIRECTOR OFFICERS REVIEW AND APPROVE THE FORM 990 PRIOR TO FILING.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 12C</FormAndLineReferenceDesc>
        <ExplanationTxt>BOARD MEMBERS ARE REQUIRED TO COMPLETE AND SUBMIT AN ANNUAL CONFLICT OF INTEREST DISCLOSURE FORM TO THE BOARD. THE FORMS ARE REVIEWED AND APPROVED. THEREAFTER, THE FORMS ARE KEPT ON FILE AT THE SVS HEADQUARTERS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION B, LINE 15A</FormAndLineReferenceDesc>
        <ExplanationTxt>COMPENSATION FOR THE EXECUTIVE DIRECTOR IS DETERMINED BY THE EXECUTIVE COMMITTEE BASED ON PERFORMANCE EVALUATIONS AND SALARY STUDIES. THE EXECUTIVE DIRECTOR DETERMINES COMPENSATION FOR ALL OTHER STAFF, INCLUDING ANY KEY EMPLOYEES, BASED IN PART ON DATA CONTAINED IN BENCHMARK STUDIES FROM EXECUTIVE ASSOCIATIONS.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART VI, SECTION C, LINE 19</FormAndLineReferenceDesc>
        <ExplanationTxt>POLICIES, PROCEDURES, AND BYLAWS ARE AVAILABLE ON THE SVS WEBSITE. OTHER DOCUMENTS ARE AVAILABLE UPON REQUEST.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>PART XII, LINE 2C</FormAndLineReferenceDesc>
        <ExplanationTxt>THE OVERSIGHT OR SELECTION PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
    <IRS990ScheduleR documentId="RetDoc1043400001">
      <IdDisregardedEntitiesGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>SVS PATIENT SAFETY ORGANIZATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>9400 WEST HIGGINS ROAD SUITE 315</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
        </USAddress>
        <PrimaryActivitiesTxt>COLLECT AND ANALYZE DATA IN AN EFFORT TO IMPROVE PATIENT CARE.</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <TotalIncomeAmt>5411074</TotalIncomeAmt>
        <EndOfYearAssetsAmt>9540374</EndOfYearAssetsAmt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>SOCIETY FOR VASCULAR SURGERY</BusinessNameLine1Txt>
        </DirectControllingEntityName>
      </IdDisregardedEntitiesGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>SOCIETY FOR VASCULAR SURGERY FOUNDATION</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>9400 WEST HIGGINS ROAD SUITE 315</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
        </USAddress>
        <EIN>013580038</EIN>
        <PrimaryActivitiesTxt>SUPPORT CAREER DEVELOPMENT FOR VASCULAR SURGEON RESEARCHERS.</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>501(C)(3)</ExemptCodeSectionTxt>
        <PublicCharityStatusTxt>LINE 7</PublicCharityStatusTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>SOCIETY FOR VASCULAR SURGERY</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <IdRelatedTaxExemptOrgGrp>
        <DisregardedEntityName>
          <BusinessNameLine1Txt>SOCIETY FOR VASCULAR SURGERY PAC FUND</BusinessNameLine1Txt>
        </DisregardedEntityName>
        <USAddress>
          <AddressLine1Txt>9400 WEST HIGGINS ROAD SUITE 315</AddressLine1Txt>
          <CityNm>ROSEMONT</CityNm>
          <StateAbbreviationCd>IL</StateAbbreviationCd>
          <ZIPCd>60018</ZIPCd>
        </USAddress>
        <EIN>542066865</EIN>
        <PrimaryActivitiesTxt>SUPPORT U.S. CONGRESSIONAL CANDIDATES WHO SHARE COMMON INTERESTS.</PrimaryActivitiesTxt>
        <LegalDomicileStateCd>IL</LegalDomicileStateCd>
        <ExemptCodeSectionTxt>527</ExemptCodeSectionTxt>
        <DirectControllingEntityName>
          <BusinessNameLine1Txt>SOCIETY FOR VASCULAR SURGERY</BusinessNameLine1Txt>
        </DirectControllingEntityName>
        <ControlledOrganizationInd>0</ControlledOrganizationInd>
      </IdRelatedTaxExemptOrgGrp>
      <ReceiptOfIntAnntsRntsRyltsInd>0</ReceiptOfIntAnntsRntsRyltsInd>
      <GiftGrntOrCapContriToOthOrgInd>0</GiftGrntOrCapContriToOthOrgInd>
      <GiftGrntCapContriFromOthOrgInd>0</GiftGrntCapContriFromOthOrgInd>
      <LoansOrGuaranteesToOtherOrgInd>1</LoansOrGuaranteesToOtherOrgInd>
      <LoansOrGuaranteesFromOthOrgInd>1</LoansOrGuaranteesFromOthOrgInd>
      <DivRelatedOrganizationInd>0</DivRelatedOrganizationInd>
      <AssetSaleToOtherOrgInd>0</AssetSaleToOtherOrgInd>
      <AssetPurchaseFromOtherOrgInd>0</AssetPurchaseFromOtherOrgInd>
      <AssetExchangeInd>0</AssetExchangeInd>
      <RentalOfFacilitiesToOthOrgInd>0</RentalOfFacilitiesToOthOrgInd>
      <RentalOfFcltsFromOthOrgInd>0</RentalOfFcltsFromOthOrgInd>
      <PerformOfServicesForOthOrgInd>1</PerformOfServicesForOthOrgInd>
      <PerformOfServicesByOtherOrgInd>0</PerformOfServicesByOtherOrgInd>
      <SharingOfFacilitiesInd>1</SharingOfFacilitiesInd>
      <PaidEmployeesSharingInd>1</PaidEmployeesSharingInd>
      <ReimbursementPaidToOtherOrgInd>0</ReimbursementPaidToOtherOrgInd>
      <ReimbursementPaidByOtherOrgInd>1</ReimbursementPaidByOtherOrgInd>
      <TransferToOtherOrgInd>0</TransferToOtherOrgInd>
      <TransferFromOtherOrgInd>0</TransferFromOtherOrgInd>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>IN-KIND SUPPORT PAID BY SOCIETY FOR VASCULAR SURGERY FOUNDATION</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>O</TransactionTypeTxt>
        <InvolvedAmt>114898</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FAIR VALUE</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>DUE FROM SOCIETY FOR VASCULAR SURGERY FOUNDATION</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>D</TransactionTypeTxt>
        <InvolvedAmt>300915</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FAIR VALUE</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
      <TransactionsRelatedOrgGrp>
        <OtherOrganizationName>
          <BusinessNameLine1Txt>DUE TO SOCIETY FOR VASCULAR SURGERY PAC FUND</BusinessNameLine1Txt>
        </OtherOrganizationName>
        <TransactionTypeTxt>E</TransactionTypeTxt>
        <InvolvedAmt>420</InvolvedAmt>
        <MethodOfAmountDeterminationTxt>FAIR VALUE</MethodOfAmountDeterminationTxt>
      </TransactionsRelatedOrgGrp>
    </IRS990ScheduleR>
  </ReturnData>
</Return>
