Table 2 Treatment patterns of SCD patients prescribed HU
Outcomes | SCD patients prescribed HU therapy | |
|---|---|---|
(N = 3999) | ||
N/Mean | %/SD | |
HU Dose | ||
 HU index dose (mg) | 980.63 | 656.62 |
 Dosing modification | −3.85 | 468.16 |
SCD Management (during the first 12 months) | ||
 Blood transfusions | ||
  # of Patients | 1523 | 38.1% |
  Number of blood transfusions | 1.11 | 2.28 |
 Transcranial Doppler ultrasonography | 1001 | 25.0% |
 Pneumococcal vaccine | 175 | 4.4% |
 Meningococcal vaccine | 115 | 2.9% |
 Bone marrow transplant | 11 | 0.3% |
Monitoring Patterns (during a 12-month period) | ||
 Chest X-ray | 2784 | 69.6% |
 X-ray of extremity | 839 | 21.0% |
 Abdominal plain film | 586 | 14.7% |
 Computerized tomography | 341 | 8.5% |
 Nuclear medicine studies | 158 | 4.0% |
 Echocardiography | 1239 | 31.0% |
 Electrocardiogram | 1444 | 36.1% |
 Eye exams | 909 | 22.7% |
 Complete blood count | 2945 | 73.6% |
 Iron tests | 1167 | 29.2% |