Table 3.
Ethnic distribution of normal and alpha thalassaemia phenotypes.
| Ethnicity | Alpha thalassaemia syndromes | ||||
|---|---|---|---|---|---|
|
|
|||||
| (αα/αα) | Silent carrier | α+ thal trait | α0 thal trait | Hb H disease | |
| Malay | 1571 (50.0%) | 719 (22.9%) | 128 (4.1%) | 492 (15.7%) | 229 (7.3%) |
| Chinese | 220 (31.2%) | 49 (6.9%) | 6 (0.84%) | 365 (51.7%) | 66 (9.3%) |
| Indian | 217 (76.1%) | 53 (18.6%) | 6 (2.1%) | 8 (2.8%) | 1 (0.4%) |
| Sabah | 165 (42.2%) | 104 (26.6%) | 47 (12.0%) | 36 (9.2%) | 39 (9.9%) |
| Sarawak | 22 (53.6%) | 4 (9.7%) | 0 | 8 (19.5%) | 7 (17.1%) |
| Orang Asli | 12 (53.8%) | 7 (11.5%) | 1 (7.7%) | 2 (23.1%) | 4 (3.8%) |
| Unknown | 242 (59.3%) | 87 (12.6%) | 8 (4.4%) | 62 (21.7%) | 29 (1.9%) |