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 patien
*Bland-Altman analysis of bias (average difference) LOA: limits of agreement (lower, upper) Comparison between CD4+ T-cell counts produced on paired patient samples by the PIMA POC CD4 analyzer and by
