the mean baseline hemoglobin concentration was 13.8 (range 8.1-18.7) WHO-define anemia was present in 19 % of patients among both women and men . after adjustment for differences in baseline characteristics, patient with admission anemia had an adjusted OR for all-cause death at 1-month of 1.90 and at 1 year of 1.72 and for the combined end-point of disability, nursing facility care or death of 2.09 and 1.83 respectively . the relationship between hemoglobin quartiles and all-cause death revealed a non-linear association with increased risk at extremes of both low and high concentrations.