Variable per year Level of adherence Number of episodes Mean (standard deviation) P value Sickle cell  crises High 22 2.4839 (1.56) 0.001 Low 31 3.9091 (1.4) Hospital admissions High 22 2.1935 (1.37) 0.004 Low 31  3.3182 (1.32) Blood transfusions Low 22 2.3684 0.136 High 38 3.0455

Table 3: Shows sickle cell disease consequences as reflected by adherence to hydroxyurea.