Patients with acute lymphoblastic leukemia (ALL), mostly comprised of children, presents lower BMI, higher count of blast cells and lower level of hemoglobin; patients with chronic myeloid leukemia (CML), majorly comprised of adults, have been observed to have higher BMI, lower percentage of blast cells, lower levels of lymphocytes and hemoglobin. Chronic lymphoid leukemia (CLL), comprised of adults of age greater than 39 years, showed the highest count of lymphocytes unlike any other subtype.