Table 1.
Patient demographics
| Age (years) | Range | 15 –70 | |
|---|---|---|---|
| Mean ± SD | 34.3 ± 11.8 | ||
| Sex, n (%) | Female | 86 (65.6) | |
| Male | 45 (34.4) | ||
| Sickle Cell Type, n (%)a | SS type | SCD-SS | 102 (77.9) |
| SCD-Sβ° | 7 (5.3) | ||
| Others | SCD-SC | 15 (11.5) | |
| SCD-Sβ+ | 7 (5.3) | ||
| CPI (0–100) | Range | 14.8–86.5 | |
| Mean ± SD | 40.6 ± 13.4 | ||
| Utilization | Range | 0–38 | |
| Mean ± SD | 4.5 ± 5.3 | ||
| Utilization Groups, n (%) | Zero (0) | 19 (14.5) | |
| Low (1–3) | 56 (42.7) | ||
| High (4–38) | 56 (42.7) | ||
a
Sickle cell types: SCD–SS (SCD–homozygous hemoglobin S, sickle cell anemia) and SCD–Sβ° (SCD–sickle β° thalassemia); others include SCD–SC (SCD–sickle hemoglobin C) and SCD–Sβ+ (SCD–sickle β+ thalassemia).