authors Cynthia Boyd, MD, MPH Nancy Schoenborn, MD, MHS Blackford, Amanda L Joshu, Corinne E Boyd, Cynthia M Varadhan, Ravi
has subject area Aged Aged, 80 and over Comorbidity Female Frailty Geriatric Assessment Humans Kaplan-Meier Estimate Life Expectancy Male Medicare Retrospective Studies Sex Distribution United States