Table 2 Characteristics of all ED visits stratified by visit outcome
All ED visits | ED visits treat-and-release | ED visits resulting in admission | |
|---|---|---|---|
Total number of events | 2671 (100%) | 2152 (80.6%) | 519 (19.4%) |
Age (years) (mean; sd)a | 22.6 (15.5) | 23.2 (15.4) | 19.8 (15.4) |
Sex (n,%) | |||
Male | 1464 (54.8%) | 1188 (44.5%) | 276 (10.3%) |
Female | 1207 (45.2%) | 964 (36.1%) | 243 (9.1%) |
Sickle genotype | |||
HbSS and HbSβ0-thalassemia | 2103 (78.7%) | 1693 (63.3%) | 410 (15.4%) |
HbSC and HbSβ+-thalassemia | 568 (21.3%) | 459 (17.2%) | 109 (4.1%) |
Hydroxyurea therapy at the time of the ED visit (n, %) | 1062 (39.8%) | 843 (31.6%) | 219 (8.2%) |