Prevalence of Deletional Alpha Thalassemia and Sickle Gene in a Tribal Dominated Malaria Endemic Area of Eastern India

Table 2

Prevalence of alpha thalassemia allele, sickle allele, and 𝛽 thalassemia allele in different age groups in tribal population.

Age wise distribution of subjects (𝑛=594); 𝑛 (%)	Sickle allele		𝛽 thalassemia allele; 𝑛 (%)	Alpha thalassemia alleles  𝑛 (%)
	Heterozygous state; 𝑛 (%)	Homozygous state; 𝑛 (%)
1–15 years; 310 (52.2%)	22 (7.1)	12 (3.9)	14 (4.5)	148 (47.7)
>15–30 years; 126 (21.2%)	22 (17.5)	4 (3.2)	4 (3.2)	62 (49.2)
>30–45 years; 82 (13.8%)	10 (12.2)	2 (2.4)	2 (2.4)	52 (63.4)
>45 years; 76 (12.8%)	6 (7.9)	0 (0.0)	0 (0.0)	40 (52.6)
Total	60 (10.1)	18 (3.03)	20 (3.37)	302 (50.8)