Table 7. Proportions of Hb typing and thalassemia carriers by tribe.
| Type | Total | Akha | Lahu | Hmong | Yao | Karen | Lisu | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | % | n | % | n | % | n | % | n | % | n | % | n | % | |
| Hb typing | 117 | 100.0 | 12 | 10.3 | 18 | 15.4 | 23 | 19.7 | 21 | 17.9 | 27 | 23.1 | 16 | 13.7 |
| A2A (Normal Hb typing, not rule out α -thalassemia) | 59 | 50.4 | 9 | 4.5 | 10 | 5.0 | 10 | 5.0 | 7 | 3.5 | 15 | 7.5 | 8 | 4.0 |
| A2A (β-thalassemia trait with or without α -thalassemia) | 24 | 2.1 | 1 | 0.5 | 1 | 0.5 | 4 | 2.0 | 9 | 4.5 | 7 | 3.5 | 2 | 1.0 |
| EE | 1 | 0.9 | 1 (F) | 0.5 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 |
| EA | 31 | 26.5 | 1 | 0.5 | 5 | 2.5 | 9 | 4.5 | 5 | 2.5 | 5 | 2.5 | 6 | 3.0 |
| A2A Bart’s H | 1 | 0.9 | 0 | 0.0 | 1 (M) | 0.5 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 |
| A2A with abnormal Hb | 1 | 0.9 | 0 | 0.0 | 1 (M) | 0.5 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 | 0 | 0.0 |
| α-thalassemia 1 | ||||||||||||||
| α-thalassemia 1 trait (SEA deletion) | 30 | 25.6 | 4 | 2.0 | 5 | 2.5 | 6 | 3.0 | 5 | 2.5 | 6 | 3.0 | 4 | 2.0 |
* F: Female, M: Male.