A. Bias compared to FASCount as the reference technology. B. Bias compared to FASCalibur as the reference technology.

<p>A. Bias compared to FASCount as the reference technology. B. Bias compared to FASCalibur as the reference technology.</p

Operating characteristics of Point of Care (POC) technologies for CD4+ T-cell enumeration.

<p>Operating characteristics of Point of Care (POC) technologies for CD4+ T-cell enumeration.</p

PRISMA flow diagram of study selection.

<p>EQA: external quality assurance, FC: flow cytometry.</p

Operating characteristics of dedicated single platform CD4+ T-cell enumeration systems.

<p>PCA = personal cell analysis, SSC = side scatter.</p><p>Operating characteristics of dedicated single platform CD4+ T-cell enumeration systems.</p

Intra- and inter-assay variation (% CV) for the Apogee Auto 40 and for the MBio SnapCount at thresholds <350 cells/mL and >350 cells/mL.

<p>Intra- and inter-assay variation (% CV) for the Apogee Auto 40 and for the MBio SnapCount at thresholds <350 cells/mL and >350 cells/mL.</p

Methodological quality of included studies.

<p>EQA: external quality assurance, IQC: internal quality control.</p

Characteristics of included studies.

<p>FC = flow cytometry.</p><p>DP = dual platform.</p><p>SP = single platform.</p><p>SCC = side scatter.</p><p>BD = Becton Dickinson.</p><p>BC = Beckman Coulter.</p><p>LNW = lyse, no-wash.</p><p>NLNW = no-lyse, no-wash.</p><p>VCT = Voluntary Counselling and Testing.</p><p>Characteristics of included studies.</p

Misclassification (%), using a CD4 thresholds of 350 cells/μl and 200 cells/μl.

<p>Misclassification (%), using a CD4 thresholds of 350 cells/μl and 200 cells/μl.</p

Operating characteristics of other commercially available technologies for CD4+ T-cell enumeration.

<p>Operating characteristics of other commercially available technologies for CD4+ T-cell enumeration.</p