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Purpose: To determine the relationships between hospital use of treating oncology practices and patient outcomes., Patients and Methods: Retrospective analysis of 397,646 Medicare beneficiaries who received anticancer therapy in 2012. Each beneficiary was associated with a practice; practices were ranked on the basis of risk-adjusted hospital use, that is, inpatient intensity. Outcomes included 30-day readmission, weekend admissions, intensive care unit stays in the last month of life, and hospice stay of ≥ 7 days. Outcomes were measured for each quartile of practice-level inpatient intensity. We fit multivariable logistic regression models to calculate adjusted odds ratios (ORs) for each outcome for each quartile of inpatient intensity., Results: Total 30-day readmissions were 22.8% and 31.9% (OR, 1.45; 95% CI, 1.39 to 1.50) for patients in practices with the lowest versus highest quartiles of inpatient intensity, respectively; unplanned readmissions were 19.8% and 27.1% (OR, 1.36; 95% CI, 1.31 to 1.41), respectively. The proportion of admissions that occurred on weekends was similar across quartiles. Patients of practices in the highest quartiles of inpatient intensity had higher rates of death in an ICU stay in the last month of life (25.5% versus 18.0%; OR, 1.33; 95% CI, 1.19 to 1.49) and a lower rate of hospice stay of at least 7 days (50.9% to 42.5%; OR, 0.79; 95% CI, 0.74 to 0.86)., Conclusion: Medical oncology practices that seek to reduce hospitalizations should consider focusing initially on processes related to end-of-life care and care transitions.

Objective: Previous labeling and guidelines recommended initiating erythropoiesis agents (ESAs) for chemotherapy-induced anemia (CIA) at hemoglobin (Hb) levels < 11 g/dL, maintaining near 12 g/dL, and withholding at > or = 13 g/dL. This study analyzed adherence with recommendations in administration of darbepoetin (DA) to cancer patients., Design, Setting, and Participants: Retrospective analysis of Hb levels at which DA was administered using Varian electronic medical records (EMRs). The dataset comprises 141 694 cancer patients from 82 sites across 13 states. The study evaluated DA administrations with respect to recorded Hb for 8988 patients from 1/1/05 to 5/31/07., Main Outcome Measures: Proportion of DA administrations at Hb > or = 12 and Hb > or = 13 g/dL. Hb level was analyzed for all administrations, stratified by year and anemia type (CIA, anemia-of-cancer, and myelodysplastic syndrome)., Results: There were 51 111 DA administrations with Hb results. The proportion of administrations at Hb > or = 12 g/dL was 7.2% and at Hb > or = 13 g/dL was 0.6%, and for CIA 6.9%/0.6%, anemia of cancer (AOC) 8.8%/0.8%, and myelodysplastic syndrome (MDS) 6.5%/0.6%. The proportion of all DA administrations at Hb > or = 12 g/dL and > or = 13 g/dL declined from 8.6% to 5.3% (p < 0.0001) and from 0.7% to 0.4% (p < 0.0007), respectively during 1/1/05-5/31/07., Conclusions: In this population, DA administration at Hb > or = 12 g/dL and Hb > or = 13 g/dL occurred in 7.2% and 0.6% of administrations, respectively, a approximately 93% adherence rate with recommendations. Further research is required to understand dose titrations at Hb 12-13 g/dL, and whether similar patterns are observed for other ESAs, and in other practice settings. This study provides context for the debate regarding the utilization, benefits and risks of ESAs in cancer patients.