Characteristics Regarding Hydroxyurea in Living and Deceased Subjects with HbSS.

aCox regression with age as the time scalebt-testcHydroxyurea doses >35 mg/kg/d are not FDA-approved for the general management of patients with sickle cell anemia and were usually used in patients in preparation for hematopoietic stem cell transplantation.dMean maximum HbF and MCV are defined as the mean calculation of the highest values observed for each subject.Characteristics Regarding Hydroxyurea in Living and Deceased Subjects with HbSS.