Table 6.
The relative frequency of characterized α thalassemia genotypes among 219 individuals with otherwise unexplained hypochromia and/or microcytosis
| Genotype | Sulaimani | Erbil | Duhok | Total (%) |
|---|---|---|---|---|
| −α3.7/αα | 33 | 39 | 26 | 98 (44.7) |
| --MED/αα | 24 | 7 | 12 | 43 (19.6) |
| −α3.7/−α3.7 | 14 | 9 | 5 | 28 (12.8) |
| αPoly A1α/αα | 4 | 6 | 1 | 11 (5.0) |
| α−5ntα/αα | 1 | 9 | - | 10 (4.6) |
| α−5ntα/−α3.7 | - | 6 | - | 6 (2.7) |
| −α4.2/αα | 1 | 2 | 2 | 5 (2.3) |
| ααAdana/αα | 3 | - | 1 | 4 (1.8) |
| α−5ntα/α−5ntα | 1 | 3 | - | 4 (1.8) |
| −(α)20.5/αα | 3 | - | - | 3 (1.4) |
| ααAdana/−α3.7 | - | 3 | - | 3 (1.4) |
| −α3.7/−α4.2 | 1 | - | - | 1 (0.46) |
| αCSα/ αCSα | 1 | - | - | 1 (0.46) |
| αPolyA2α/αα | 1 | - | - | 1 (0.46) |
| ααEvanson/αα | - | - | 1 | 1 (0.46) |
| Total no. | 87 | 84 | 48 | 219 |