Table 6.
Number of cases of thalassemia and sickle cell anemia in the Swedish Patient Register, 1997–2010.
| Subtypes (ICD-10) | Born in Sweden | Immigrants from Africa | Immigrants from Asia | Immigrants from other countries |
|---|---|---|---|---|
| Thalassemia | ||||
| Alpha thalassemia (D560) | 94 | 9 | 102 | 7 |
| Beta thalassemia (D561) | 145 | 26 | 258 | 41 |
| Thalassemia trait (D563) | 114 | 6 | 66 | 13 |
| Others | 710 | 63 | 1103 | 178 |
| All | 1063 | 104 | 1529 | 239 |
| Sickle cell anemia | ||||
| Sickle cell anemia with crisis (D570) | 34 | 15 | 10 | 4 |
| Sickle cell anemia without crisis (D571) | 73 | 56 | 19 | 20 |
| Double heterozygous sickling disorders (D572) | 88 | 6 | 3 | 8 |
| Sickle cell trait (D573) | 104 | 18 | 13 | 14 |
| Others | 35 | 22 | 10 | 3 |
| All | 334 | 117 | 55 | 49 |
ICD-10: 10th revision of the International Classification of Diseases.
Note: The total case numbers are lower than all identified patients because disease subtypes were missing for many patients and because the subtype data were available only from year 1997 onwards.