Table 1:
1A Demographic data;1B Geographic regions of origin.
| Table 1A: Demographics | N=877 | |
| Age: Mean, range (years) | 19.3 | (2.0–73.9) |
| Age Group | N | % |
| <18 y/o ≥18 y/o |
451 426 |
51.4 48.6 |
| Sex | N | % |
| M F |
424 453 |
48.3 51.7 |
| Country of Residence | N | % |
| Ghana Italy United Kingdom USA |
365 81 177 254 |
41.6 9.2 20.2 29 |
| Sickle Cell Genotype | N | % |
| SS SC Sickle Beta Thal Plus Sickle Beta Thal Zero |
658 168 29 22 |
75 19.2 3.3 2.5 |
| Table 1B: Geographic Region of Origin | N=877 | |
| Country | N | % |
| Europe | 27 | 3.1 |
| North America | 184 | 21 |
| Central America | 1 | 0.1 |
| Caribbean | 50 | 5.7 |
| South America | 1 | 0.1 |
| Middle East | 3 | 0.3 |
| Asia | 5 | 0.6 |
| North Africa | 2 | 0.2 |
| East Africa | 3 | 0.3 |
| Central Africa | 24 | 2.7 |
| West Africa Excluding Benin Gulf | 21 | 2.4 |
| West Africa Benin Gulf (includes Ghana, Nigeria) | 556 | 63.4 |