Missing data in breast cancer: Relationship with survival in national databases.
Plichta J, Rushing C, Lewis H, Blazer D, Hyslop T, Greenup R. Missing data in breast cancer: Relationship with survival in national databases. Journal Of Clinical Oncology 2020, 38: e19114-e19114. DOI: 10.1200/jco.2020.38.15_suppl.e19114.Peer-Reviewed Original ResearchOverall survivalNational Cancer RegistryTumor variablesCancer RegistryBreast cancerLarge national cancer registryCox proportional hazards modelInvasive breast cancerPatterns of careInclusion/exclusion criteriaTreatment variablesProportional hazards modelRate of deathWorse OSOncology outcomesN stageOS differenceExclusion criteriaOutcome studiesHazards modelPatientsNCDBSurgery dataGreater riskNational database