| Derivation set n = 94 (670 visits) | Range or percentage | Validation set n = 31 (214 visits) | Range or percentage | |
| Median age, years | 32.5 | (19–66) | 39 | (22–56) |
| Male | 43 | (45.7) | 13 | (41.9) |
| Female | 51 | (54.3) | 18 | (58.1) |
| SS | 54 | (57.4) | 18 | (58.1) |
| SC | 21 | (22.3) | 7 | (22.6) |
| S Thal | 10 | (10.6) | 2 | (6.5) |
| S Los Angeles | 0 | (0.0) | 1 | (3.2) |
| Trait | 0 | (0.0) | 1 | (3.2) |
| Unknown | 9 | (9.6) | 2 | (6.5) |
| Median no of visits | 6 | (1–67) | 8 | (1–60) |
Data are medians and ranges or frequencies and percentages.
SC, sickle cell haemogoblin C disease; S Los Angeles, sickle Los Angeles disease; SS, homozygous sickle cell disease; S Thal, sickle cell beta thalassaemia disease; Trait, heterozygous sickle cell disease.
Data are medians and ranges or frequencies and percentages.
SC, sickle cell haemogoblin C disease; S Los Angeles, sickle Los Angeles disease; SS, homozygous sickle cell disease; S Thal, sickle cell beta thalassaemia disease; Trait, heterozygous sickle cell disease.