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. 2006 May;44(5):1726–1732. doi: 10.1128/JCM.44.5.1726-1732.2006

TABLE 2.

Mean viral load values for the different assays (results are expressed as means for all laboratories)

Nominal concn (log10 IU/ml) Viral load (log10 IU/ml) by assay
Roche Monitora Bayer bDNA Roche RT-PCR Abbott RT-PCR
1.0 1.17 0.99
1.5 1.96 1.59
2.0 2.51 2.17
2.5 2.87 2.59
3.0 2.86 3.32 3.16
4.0 4.17 3.95 4.19 4.25
4.5 4.61
5.0 5.03
5.5 5.58 5.39 5.65 5.63
6.0 6.14 5.87 6.19 6.17
6.5 6.59 6.32 6.69 6.68
7.0 7.06 b 7.19 7.30
a

Samples with a viral load of greater than 5.0 log10 IU/ml were diluted 1:100 and retested.

b

—, Eighteen of 28 samples were >6.89 log10 IU/ml.