Great heterogeneity in survival exists for patients newly diagnosed with diffuse large B-cell lymphoma (DLBCL).SkiptoMainContentAdvertisementCloseBloodBloodAdvancesHematologyASH-SAPASHClinicalNewsTheHematologistInternationalBloodChineseEditionBloodJapaneseEditionBloodItalianEditionBloodLatinAmericaEditionBloodSpanishEditionASHASHHomeResearchEducationAdvocacyMeetingsPublicationsASHStoreCartUserToolsCartSignInSearchnavsearchsearchinputSearchinputautosuggestsearchfilterAllContentAllJournalsBloodSearchToggleMenuMenuIssuesCurrentIssueAllIssuesFirsteditionAbstracts2020AnnualMeeting2020LateBreaking2019AnnualMeeting2019LateBreaking2018AnnualMeetingAllMeetingAbstractsCollectionsCollectionsSpecialCollectionsMultimediaAlertsAuthorCenterSubmitAuthorGuideStyleGuideWhySubmittoBlood?AboutAboutBloodEditorialBoardandStaffSubscriptionsPublicAccessCopyrightAlertsBloodClassifiedsSkipNavDestinationContentMenuCloseKeyPointsAbstractIntroductionMethodsResultsDiscussionAcknowledgmentsAuthorshipREFERENCESArticleNavigationCLINICALTRIALSANDOBSERVATIONS|June4,2020InternationalprognosticindicesindiffuselargeB-celllymphoma:acomparisonofIPI,R-IPI,andNCCN-IPIClinicalTrials&ObservationsAmyS.Ruppert,AmyS.Ruppert1DepartmentofInternalMedicine,TheOhioStateUniversity,Columbus,OH;Searchforotherworksbythisauthoron:ThisSitePubMedGoogleScholarJesseG.Dixon,JesseG.Dixon2DepartmentofHealthScienceResearch,MayoClinic,Rochester,MN;Searchforotherworksbythisauthoron:ThisSitePubMedGoogleScholarGillesSalles,GillesSalles3Hematology,CentreHospitalierLyon-Sud,HospicesCivilsdeLyon,UniversityofLyon,Pierre-Benite,France;  https://orcid.org/0000-0002-9541-8666Searchforotherworksbythisauthoron:ThisSitePubMedGoogleScholarAnnaWall,AnnaWall2DepartmentofHealthScienceResearch,MayoClinic,Rochester,MN;Searchforotherworksbythisauthoron:ThisSitePubMedGoogleScholarDavidCunningham,DavidCunningham4DepartmentofMedicine,RoyalMarsdenHospital,Surrey,UnitedKingdom;  https://orcid.org/0000-0001-5158-1069Searchforotherworksbythisauthoron:ThisSi