[Table/Fig-4]:

Prevelance of Hepatits B Core antibody in various studies

HBsAg	Anti-HBc	No.of donors
Dhawan et al.,[5]	Chandigarh	8.4%
Bhattacharya et al., [6]	West Bengal	18.3%
Seo et al., [8]	Korea	13.5%
Makroo et al., [9]	New Delhi	10.22%
Margaret et al., [14]	Nigeria	13%
Present study	Chennai	10.01%