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Mortality in patients with myelodysplastic syndromes (MDS) is high, and patients are likely to require hospitalizations, emergency department (ED) visits, and transfusions. The relationships between these events and the MDS complications of anemia, neutropenia, and thrombocytopenia are not well understood. A total of 1864 patients registered in the United States' Surveillance Epidemiology and End Results (SEER) program and aged ≥ 66 years old when diagnosed with MDS in 2001 or 2002 were included. Medicare claims were used to identify MDS complications and utilization (hospitalizations, ED visits, and transfusions) until death or the end of 2005. Mortality was based on SEER data. Kaplan-Meier incidence rates were estimated and multivariable Cox models were used to study the association between complications and outcomes. The 3-year incidence of anemia, neutropenia, and thrombocytopenia was 81%, 25%, and 41%, and the incidence of hospitalization, ED visit, and transfusion was 62%, 42%, and 45%, respectively. Median survival time was 22 months. Cytopenia complications were significantly associated with each of these outcomes. All types of cytopenia are common among patients with MDS and are risk factors for high rates of health care utilization and mortality. Management of the complications of MDS may improve patient outcomes.

Original publication

DOI

10.1093/annonc/mdq552

Type

Journal

Annals of oncology : official journal of the European Society for Medical Oncology / ESMO

Publication Date

01/05/2011

Volume

22

Pages

1181 - 1188