Comparison of CD4 T-cell counts between CyFlow Counter and FACSCount.

<p>95% CI means 95% of Confidence Interval; Low means CD4 lower than 200 cells/mm3; Medium means CD4 between 200 and 500 cells/mm3; High means CD4 greater than 500 cells/mm3; HIV+ = HIV-infected patients, LOA = limits of agreement, SD = standard deviation.