Figure 4.
Enzyme-linked immunospot (ELISPOT) breadth is associated with CD4+ T cell count and viral load. The associations between ELISPOT breadth [the number of reacting overlapping peptides (OLPs)] and CD4+ T cell count or viral load were analysed using the Kruskal–Wallis test (a). The p17, p24 or p15 site-specific ELISPOT breadth was also compared with CD4+ T cell count (b) and viral load (c); (n) refers to the number of individuals; *significant difference of P < 0·05 (*) by Mann–Whitney U- test.