Table 2.

NBS results

Hemoglobin genotypes	n (%)
FA (normal pattern)	6914 (84.07)
FA + Barts hemoglobin	2 (0.02)
FAS (sickle cell trait)	736 (8.95)
FAC (hemoglobin C trait)	226 (2.75)
FS (sickle cell anemia)	44 (0.54)
FSC (sickle cell and hemoglobin C)	13 (0.16)
FSA (sickle cell β+-thalassemia)	4 (0.05)
FC (hemoglobin C disease)	8 (0.10)
FAG (hemoglobin G trait)	1 (0.01)
F only (β thalassemia major)	3 (0.04)
Other	7 (0.09)
Not determined	266 (3.23)
Total	8224 (100)

Results of screening data obtained from May 2020 to May 2022.