Table 1. . Patient demographics.
| Demographic name | Description | All patients (n = 115) |
|---|---|---|
| Age | Mean ± SD | 34.1 ± 12.3 |
| Minimum | 15 | |
| |
Maximum |
70 |
| Sex, n (%) | Female | 78 (68) |
| |
Male |
37 (32) |
| Ethnicity, n (%) | African–American | 111 (97) |
| Hispanic | 3 (3) | |
| |
Caucasian |
1 (1) |
| Sickle cell type*, n (%) | SCD-SS | 93 (81) |
| SCD-SC | 11 (10) | |
| SCD-Sβ+ | 5 (4) | |
| SCD-Sβº | 5 (4) | |
| |
SCD-Sα |
1 (1) |
| CPI | Mean ± SD | 40.7 ± 13.6 |
| Minimum | 14.8 | |
| |
Maximum |
86.5 |
| Utilization | Mean ± SD | 4.4 ± 5.4 |
| Minimum | 0 | |
| |
Maximum |
38 |
| Utilization groups, n (%) | Zero (0) | 17 (15) |
| Low (1–3) | 52 (45) | |
| High (4–38) | 46 (40) |
CPI: Composite pain index; SCD-Sα: Sickle cell disease-sickle α thalassemia; SCD-Sβ+: Sickle cell disease-sickle β+ thalassemia; SCD-Sβº: Sickle cell disease-sickle βº thalassemia; SCD-SC: Sickle cell disease-sickle hemoglobin C; SCD-SS: Sickle cell disease-homozygous hemoglobin S, sickle cell anemia.