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Field evaluation of PIMA point-of-care CD4 testing in Rakai, Uganda
Objective: To assess the accuracy of PIMA Point-of-Care (POC) CD4 testing in rural Rakai, Uganda.
Methods: 903 HIV positive persons attending field clinics provided a venous blood sample assessed on site using PIMA analyzers per manufacturer's specifications. The venous samples were then run on FACSCalibur flow cytometry at a central facility. The Bland-Altman method was used to estimate mean bias and 95% limits of agreement (LOA). Sensitivity, specificity, negative predictive value (NPV), and posibstract
Galiwango RM, Lubyayi L, Musoke R, Kalibbala S, Buwembo M, Jjingo K, Serwadda D, Gray RH, Reynolds SJ, Chang LW. Field evaluation of PIMA point-of-care CD4 testing in Rakai, Uganda. PLoS ONE. 2014;9(3): e88928. PMID: 24614083