TABLE 3.

Frequency and percentage of points falling in each of the SD categories for the differences between log₁₀ estimated RNA concentrations from the RT-PCR and Chiron ES bDNA assays

SD category	Kit-based data		VQA-adjusted data
	Frequency	%	Frequency	%
>+2	85	27.3	25	8.5
>+1, ≤+2	116	37.3	60	20.5
≥−1, ≤+1	95	30.5	158	53.9
≥−2, <−1	8	2.6	32	10.9
<−2	7	2.3	18	6.1