Table 1 Carrier rates (in %) for common hemoglobin disorders in Southeast Asiaa
Country | α0-thalassemia (%) | α+-thalassemia (%) | β-thalassemia (%) | Hemoglobin E (%) |
|---|---|---|---|---|
0 | 4.3 | 2–22.7 | 0–3.7 | |
Cambodia | 1 | 15.5 | 2.8 | 10–54 |
Indonesia | < 1 | 3–20 | 3 | 1–33 |
8.7–13.9 | 11–17.7 | 3.5–5 | 22.9– > 30 | |
Malaysia | 4.5 | 16 | 4.5 | 1–3 |
Myanmar | NA | 10 | 1–5.3 | 4–48 |
Philippines | 5 | 2.2 | 1 | NA |
Singapore | 2–3 | 1–3 | 0.93 | 0.64 |
Thailand | 2.2–9 | 8–30 | 1–3 | 10–50 |
Vietnam | NA | 3.5 | 4 | 10–20 |