| Characteristic | Number (Percent) or Median (IQR) |
| Male Sex | 125 (61.3) |
| Median Age (months) | 72 (48 - 108) |
| Age group |
|
| 2 - 4.99 years | 90 (44.1) |
| 5.0 - 12 years | 114 (55.9) |
| Child education |
|
| Not in school | 72 (35.3) |
| Nursery/primary school | 132 (64.7) |
| Relationship of caretaker |
|
| Aunt/Uncle/Grandparents | 20 (9.8) |
| Parents | 184 (90.2) |
| Education of the caretaker |
|
| Illiterate | 5 (2.5) |
| Literate | 199 (98.4) |
| Marital status of the caretaker |
|
| Divorced | 4 (2) |
| Married | 176 (86.3) |
| Single | 20 (9.8) |
| Widow/widower | 4 (2) |
| Median age of initial SCA presentation (months) | 6 (6 - 48) |
| History of hand and foot syndrome | 121 (59.3) |
| History of VOE | 166 (81.4) |
| History of acute chest syndrome | 11 (5.4) |
| History of splenic sequestration | 8 (3.9) |
| History of stroke | 5 (2.5) |
| History of hospitalization | 82 (40.1) |
| History of blood transfusions | 134 (65.7) |
| History of using hydroxyurea | 23 (11.3) |