Table 3: Frequency of SNP alleles in different groups.

Groups Polymorphism df* P.value
AA GA GG 2 0.0001**
Healthy Frequency 12 0 48
Percent 20% 0% 80%
Chronic hepatitis B Frequency 4 12 44
Percent 6.7% 20% 73.3%

*df: Degree of freedom; **Significant statistical difference.