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BACKGROUND Some hemodialysis patients require large doses of erythropoiesis-stimulating agents (ESAs) to manage anemia. These patients, termed "ESA hyporesponsive," have been characterized using various definitions. We applied three definitions of hyporesponsiveness to a large, national cohort of hemodialysis patients to assess the impact of definition on(More)
OBJECTIVES To estimate current community-acquired pneumonia (CAP) incidence and its associated economic burden in the Medicare fee-for-service (FFS) population. DESIGN Retrospective. SETTING The 2007/08 Medicare Standard Analytic Files, a nationally representative random sample (5%) of Medicare beneficiaries enrolled in the FFS program. PARTICIPANTS(More)