Table 1. Dynamic ranges of some commercially available HBV DNA assays.

Detection method	Approx. range of quantification	Commercially available assays
Signal Amplification
	1.4 × 105 to 1.7 × 109 copies/mL	Digene Hybrid Capture II
	2 × 103 to 108 copies/mL	Bayer Versant HBV 3.0
Target Amplification
	2 × 102 to 2 × 105 copies/mL	Roche Cobas Amplicor HBV
	2 × 102 to 109 IU/mL	Artus-Biotech Real Art HBV PCR
	30 to 1.1 × 108 IU/mL	Roche Cobas Taqman
	10 to 109 IU/mL	Abbott Realtime PCR (not yet available.)