Table 1. Demographic characteristics of the patients with sickle cell disease (groups I and II) who underwent transcranial Doppler examination.
| Genotypes | Sickle cell disease genotype | |||
|---|---|---|---|---|
| SS | Sβ0 thal | SC | Sβ+ thal | |
| n (%) | 57 (67.1%) | 5 (5.9%) | 19 (22.3%) | 4 (4.7%) |
| Group I | Group II | |||
| n (%) | 62 (73%) | 23 (27%) | ||
| Age* | 8 y 11 m ± 4 y 4 m (2 y 4 m to 17 y 5 m) | 7 y 6 m ± 4 y 0 m (2 y 7 m to 16 y 2 m) | ||
| Male sex n (%) | 32 (51.6%) | 13 (56.5%) | ||
SS = sickle cell anemia (homozygote);Sβ0 thal = S-beta0 thalassemia; SC = sickle cell hemoglobinopathy; Sβ+ thal = S-beta+ thalassemia; n = number of patients; y = years; m = months.
( ) = range of values found;
*
mean and standard deviation. Student's t test