Table 7.

Rate of false expression microarray results based on QPCR gold standard by amplification technique

Method	Quantitiy of Input	# False	% FER
Modified T7	500 pg	5	13.5
	500 pg	5	13.5
	500 pg	6	19
	1 ng	6	19
	1 ng	5	13.5
	Mean	5.4	14.6
Arcturus	250 pg	6	19
	250 pg	6	19
	500 pg	4	10.8
	1 ng	4	10.8
	Mean	5	13.5
Balanced PCR	500 pg	1	2.7
	667 pg	5	13.5
	667 pg	4	10.8
	3.3 ng	5	13.5
	3.3 ng	6	19
	Mean	4.2	11.3