Fig. 2

Bland–Altman analyses on the relative differences between the CD4 T cell counts in 150 HIV-1-infected patients obtained by Muse™ Auto CD4/CD4% system and BD FACSCount system compared with the average CD4 T cell count in absolute number (cells/µl). The full line represents the mean relative difference and the dotted lines represent the superior and inferior limits of agreement. The arrow corresponds to the x abscise axis