Introduction: Point-of-care (POC) CD4 testing can improve access to treatment by enabling decentralization and reducing patient loss-to-follow-up. As new POC CD4 technologies become available, their performance should be assessed before widespread deployment. This study reports the findings of five indep...
Background: North American and European guidelines for dual-platform (DP) flow cytometry recommendabsolute CD4 T-cell counts to be calculated from two parameters: the absolute lymphocyte counts obtainedon a hematology analyzer and the percentages of CD4 cells among lymphocytes (CD4%/lympho) obtainedby fl...