TABLE 2.

Mean differences in Aptima versus CAP/CTM and RealTime assay results^a

Subtype	n	Aptima minus CAP/CTM		Aptima minus RealTime
		Mean	SD	Mean	SD
A	31	0.16	0.21	0.31	0.26
B	37	0.15	0.19	0.31	0.15
C	37	0.17	0.24	0.43	0.24
D	24	0.08	0.25	0.21	0.21
F	7	0.40	0.21	0.47	0.11
G	19	0.48	0.19	0.41	0.33
O	4	0.08	0.15	0.34	0.22
CRF01_A/E	39	0.06	0.17	0.10	0.20
CRF02_A/G	33	0.38	0.17	0.41	0.21
Other recombinants	46	0.28	0.27	0.27	0.22
Total	277	0.21	0.25	0.30	0.24

^aDifferences between Aptima and CAP/CTM or RealTime assay results are shown for each of the major subtypes. The number of isolates/plasma samples tested for each subtype is shown, along with the means and standard deviations of the differences between the assays, expressed in log copies per milliliter.