Table 3. Predicted bias interval at the CD4 clinical cutoff.

BD Multitest assay	CD4 cutoff (cells/μL)	%Bias (%)	SE	95% CIc
IMK kit	200	2.55	0.49	1.59, 3.51
6-Color TBNK reagent		3.39	0.59	2.23, 4.54

^cconfidence interval.