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Table 1 Carrier rates (in %) for common hemoglobin disorders in Southeast Asiaa

From: Feasibility of and barriers to thalassemia screening in migrant populations: a cross-sectional study of Myanmar and Cambodian migrants in Thailand

Country α0-thalassemia (%) α+-thalassemia (%) β-thalassemia (%) Hemoglobin E (%)
Brunei [6, 7] 0 4.3 2–22.7 0–3.7
Cambodia 1 15.5 2.8 10–54
Indonesia < 1 3–20 3 1–33
Laos [8, 9] 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
  1. “%” refers to the percentage of individuals affected (i.e. % carriers) within the population. NA Not available
  2. a Adapted from Viprakasit et al., 2009 [10].