Sickle Cell Patients (Age ≥18)
(N = 8521)
Baseline Clinical Characteristics N/Mean %/SD
Charlson Comorbidity Index (CCI) Score 0.65 1.25
0 5665 66.5%
1 1593 18.7%
2–3 941 11.0%
4+ 322 3.8%
Patients With Baseline VOC Episodes 2097 24.6%
Baseline Number of VOC Episodes (6 months) 1.04 2.72
Individual Comorbid Conditions*
Neoplasms benign and malignant 617 7.2%
Seizures 393 4.6%
Asthma 928 10.9%
Upper respiratory tract infections 565 6.6%
Acute chest syndrome 233 2.7%
Infectious and parasitic diseases 1682 19.7%
Fever 792 9.3%
Constipation 501 5.9%
Chronic pain 418 4.9%
Iron overload 367 4.3%
Aseptic (avascular) bone necrosis 359 4.2%
Baseline SCD Management
SCD Medication*    
Antibiotics 3819 44.8%
Acetaminophen 3756 44.1%
Folic acid 2542 29.8%
Opioids (narcotics) 2393 28.1%
NSAIDs 2214 26.0%
Hydroxyurea 921 10.8%
Other SCD Management*    
Blood transfusions 1189 14.0%
Baseline All-Cause Health Care Resource*    
Any pharmacy visit 7266 85.3%
Any outpatient hospital visit 5992 70.3%
Any outpatient office visit 5923 69.5%
Any outpatient ER visit 4563 53.6%
Any outpatient other visit 3580 42.0%
Any lab visit 3318 38.9%
Any inpatient stay 2543 29.8%