TABLE 4.
Genotypes of composite α- and ß-thalassemia in Jiangxi Region.
| α- | β- | Cases (n) | Ratio (%) |
|---|---|---|---|
| -α3.7/αα | βIVS−II−654 (C>T)/βN | 20 | 16.00 |
| --SEA/αα | 18 | 14.40 | |
| -α4.2/αα | 3 | 2.40 | |
| αCSα/αα | 3 | 2.40 | |
| αWSα/αα | 2 | 1.60 | |
| αQSα/αα | 2 | 1.60 | |
| αc.301-41_301-39delGGCα/αα | 1 | 0.80 | |
| -α3.7/--SEA | 1 | 0.80 | |
| --SEA/αα | βCodons41/42 (−TTCT)/βN | 14 | 11.20 |
| -α3.7/αα | 13 | 10.40 | |
| -α4.2/αα | 6 | 4.80 | |
| αWSα/αα | 1 | 0.80 | |
| αCSα/αα | 1 | 0.80 | |
| -α4.2/-α4.2 | 1 | 0.80 | |
| -α3.7/--SEA | 1 | 0.80 | |
| αQSα/--SEA | 1 | 0.80 | |
| --SEA/αα | βCodon17(A>T)/βN | 3 | 2.40 |
| -α3.7/αα | 2 | 1.60 | |
| -α4.2/αα | 2 | 1.60 | |
| αWSα/αα | 1 | 0.80 | |
| αCSα/αα | 1 | 0.80 | |
| --SEA/αα | β−28 (A>G)/βN | 4 | 3.20 |
| -α3.7/αα | 3 | 2.40 | |
| -α4.2/αα | 1 | 0.80 | |
| -α3.7/--SEA | 1 | 0.80 | |
| -α3.7/αα | βHbE/βN | 4 | 3.20 |
| αCSα/αα | 1 | 0.80 | |
| -α3.7/-α3.7 | 1 | 0.80 | |
| --SEA/αα | βCodons27/28 (+C)/βN | 2 | 1.60 |
| -α3.7/αα | 2 | 1.60 | |
| -α3.7/αα | βHbE/β HbE | 1 | 0.80 |
| αWSα/-α3.7 | 1 | 0.80 | |
| --SEA/αα | 1 | 0.80 | |
| -α3.7/αα | βCodons71/72(+A)/βN | 1 | 0.80 |
| --SEA/αα | 1 | 0.80 | |
| --SEA/αα | β−29 (A>G)/βN | 1 | 0.80 |
| --SEA/αα | βCAP+40–43 (−AAAC)/βN | 1 | 0.80 |
| -α3.7/αα | βIVS−I−1 (G>T)/βN | 1 | 0.80 |
| --SEA/αα | βCodons41/42(−TTCT)/β−28 (A>G) | 1 | 0.80 |
| Total | — | 125 | 100 |