Prevalence of BTT among blood donors.
Prevalence of BTT (%) | ||
---|---|---|
Overall | 3.7 | |
Voluntary donors | 2.48 | ˂0.01 |
Replacement donors | 13.04 | |
Accepted donors | 1.6 | ˂0.01 |
Deferred donors | 37.2 | |
Males | 3.38 | ˃0.05 |
Females | 7.23 | |
18–30 yr | 4.3 | ˃0.01 |
30–40 yr | 0.6 | |
Urban background | 2.8 | ˃0.05 |
Rural background | 4.8 | |
Consanguinity | 64.2 | ˂0.01 |
No consanguinity | 2.83 |
Abbreviation: BTT, beta thalassemia trait.