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Fig. 5 | BMC Medicine

Fig. 5

From: A meta-analysis of the performance of the PimaTM CD4 for point of care testing

Fig. 5

Line plot of method comparison parameters over a range in sample size using observation pairs from the comparisons across studies where FACSCount was the reference CD4 technology compared to the Pima CD4 using venous derived specimen results. The vertical axis has a limit of 100 to accommodate both absolute and percentage method comparison parameters, and the concordance correlation is represented as a percentage. The maximum sample size illustrated is 1,000 for optimal visualization of parameters at the critical range of variability. Misclassification and sensitivity calculations are at the 350 cells/μl threshold. A vertical dotted line illustrates the average/optimal sample size (280) taking into account the variability of all method comparison parameters

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