TY - GEN AU - Dinan,Michaela A AU - Mi,Xiaojuan AU - Reed,Shelby D AU - Hirsch,Bradford R AU - Lyman,Gary H AU - Curtis,Lesley H TI - Initial Trends in the Use of the 21-Gene Recurrence Score Assay for Patients With Breast Cancer in the Medicare Population, 2005-2009 SN - 2374-2445 PY - 2016///0329 KW - Age Factors KW - Aged KW - Aged, 80 and over KW - Biomarkers, Tumor KW - genetics KW - Breast Neoplasms KW - ethnology KW - Chemotherapy, Adjuvant KW - Chi-Square Distribution KW - Female KW - Gene Expression Profiling KW - methods KW - Genetic Predisposition to Disease KW - Guideline Adherence KW - Healthcare Disparities KW - Humans KW - Medicare KW - statistics & numerical data KW - Multivariate Analysis KW - Neoplasm Recurrence, Local KW - Neoplasm Staging KW - Odds Ratio KW - Phenotype KW - Practice Guidelines as Topic KW - Practice Patterns, Physicians' KW - trends KW - Predictive Value of Tests KW - Racial Groups KW - Residence Characteristics KW - Retrospective Studies KW - Risk Assessment KW - Risk Factors KW - SEER Program KW - Time Factors KW - Treatment Outcome KW - United States KW - epidemiology N1 - Publication Type: Journal Article; Observational Study; Research Support, U.S. Gov't, P.H.S UR - https://doi.org/10.1001/jamaoncol.2015.43 ER -