From: Gene spectrum analysis of thalassemia for people residing in northern China
Demographic Data | N(%) | Individuals only with α-thalassemia | Individuals only with β-thalassemia | Individuals combined α−/β-thalassemia carriers |
---|---|---|---|---|
Total | 1059 | 359 | 683 | 17 |
Sex distribution | ||||
males | 299 (28.2) | 116 (32.3) | 177 (25.9) | 6 (35.3) |
females | 760 (71.8) | 243 (67.7) | 506 (74.1) | 11 (64.7) |
Age distribution | ||||
0–10 | 89 (8.4) | 28 (7.8) | 61 (8.9) | – |
11–20 | 40 (3.8) | 12 (3.3) | 28 (4.1) | 9 (52.9) |
21–30 | 443 (41.8) | 154 (42.9) | 280 (41.0) | 7 (41.2) |
31–40 | 372 (35.1) | 133 (37.0) | 232 (34.0) | 1 (5.9) |
41–50 | 56 (5.3) | 16 (4.5) | 39 (5.7) | – |
>50 | 59 (5.6) | 16 (4.5) | 43 (6.3) | – |
Geographic distribution | ||||
Northern region of China | 183 (17.3) | 42 (11.7) | 140 (20.5) | 1 (5.9) |
Southern region of China | 876 (82.7) | 317 (88.3) | 543 (79.5) | 16 (94.1) |