a The incidence of HPV was calculated as a function of HIV status. The data was normalized as percent incidence to assesses possible effects or associations of HIV status with HPV infection. 3b. The prevalence of HPV genotypes present in patients was assessed for both HIV positive (black) and negative patients (gray). The graph displays HPV genotypes on the x-axis and the frequency of each genotype on the y-axis. HR indicates high-risk strains and LR, represents the low-risk strains.
Ng'andwe et al. BMC Infectious Diseases 2007 7:77 doi:10.1186/1471-2334-7-77