TABLE 4.

Differences for within-individual log₁₀ changes in RNA based on VQA or kit standards for determining nominal copy number^a

Kit comparison	Kit standard-based difference					VQA standard-based difference
	Minimum	Mean	Maximum	P value	No.b	Minimum	Mean	Maximum	P value	No.b
NASBA-QT vs Monitor	−0.33	0.01	0.49	0.90	11	−0.48	−0.02	0.58	0.86	11
NASBA-QT vs ES bDNA	−0.87	−0.03	0.33	0.77	11	−0.44	−0.001	0.40	0.99	11
Monitor vs ES bDNA	−0.66	−0.02	0.42	0.83	11	−0.54	−0.02	0.44	0.87	11
Monitor vs ES bDNA (all)	−0.52	−0.01	0.76	0.78	83	−0.52	−0.01	0.78	0.84	82
Monitor vs ES bDNA (placebo)	−0.52	0.04	0.59	0.41	38	−0.52	0.03	0.60	0.58	37
Monitor vs ES bDNA (zidovudine)	−0.43	−0.05	0.76	0.19	45	−0.43	−0.03	0.78	0.35	45

^aThe upper section represents the subset of samples used for a three-way comparison, while the lower section is the entire data set obtained with the two-way comparison. The P value is that obtained by testing the null hypothesis that the average difference was zero. 

^bNumber of patients.