Table 1.

Correlation coefficients of amplified and unamplified expression levels of 14,044 genes selected according to the described criteria. Amplifications with or without TS primer and with two different ds cDNA cleanup protocols were performed on BC91 total RNA.

Column for ds cDNA cleanup		Bio-6		G-50
Reference RNA amplified		Total RNA	Poly(A)+ RNA	Total RNA	Poly(A)+ RNA
w/o TS	Virtual	0.84 (n = 2)	0.77 (n = 4)	0.82 (n = 2)	0.80 (n = 4)
	Average	0.83 ± 0.01 (n = 2)	0.73 ± 0.07 (n = 4)	0.81 ± 0.00 (n = 2)	0.76 ± 0.05 (n = 4)
TS	Virtual	0.81 (n = 2)	0.79 (n = 3)	0.77 (n = 1)	0.71 (n = 2)
	Average	0.80 ± 0.05 (n = 2)	0.74 ± 0.04 (n = 3)		0.68 ± 0.02 (n = 2)