Comparison of (a) CD4+T cell counts and (b) HIV viral loads between HIV-infected responders and non-responders to the A/California/07/09 H1N1 vaccine. Lines within groups show the group median with IQR. The p value indicating probability of no significant difference between groups is shown above lines spanning the groups being compared.
Kelly et al. BMC Immunology 2012 13:49 doi:10.1186/1471-2172-13-49