Parameters | Frequency of hemoglobin S phenotypes (%) | ||
SSFA2 phenotype | SFA2 phenotype | Total | |
Male | 22 (81.5%) | 5 (83.3%) | 27 |
Female | 11 (18.5%) | 1 (16.7%) | 12 |
Sex ratio | 2.00 | 5 | 2.25 |
5 to 10 years | 18 (54.5%) | 4 (66.7%) | 22 |
11 to 15 years | 15 (45.5%) | 2 (33.3%) | 17 |
Average age ± SD | 9 ± 3 years | 10 ± 2 years | 9 ± 3 years |
Minimum-Maximum age | 5 years - 15 years | ||
Schooled child | 31 (93.9%) | 6 (100.0%) | 37 |
No schooling | 2 (6.1%) | 0 (0.0%) | 2 |
Out of classroom (before/after HU) | 19/2 | 3/1 | 22/3 |
Other family cases of SCD | 17 (51.5%) | 2 (33.3%) | 19 |
No-immunization | 27 (81.8%) | 2 (33.3%) | 29 |
Total | 33 (84.6%) | 6 (15.4%) | 39 |