Total Number of persons Tested Table 6. Prevalence of HBsAg among patients attending Public Hospitals within Kaduna metropolis in relation to Rhesus Factor Rhesus HBsAg Total Number of persons Tested Negative Positive RH+ 128 13 141 127.84 13.16 RH- 8 1 9 8.16 0.84 Total 136 14 150 Waje Timothy et al. A Comparative Study on Hepatitis B Surface Antigen Seroprevalence between Outpatients in Public and Private Hospitals within Kaduna Metropolis Nigeria. American Journal of Epidemiology and Infectious Disease, 2016, Vol. 4, No. 3, 47-63. doi:10.12691/ajeid-4-3-2 © The Author(s) 2015. Published by Science and Education Publishing.