Table 1. Psoriasis Data Sets.

Study	GEO Accession	Tissue Type*	# Samples in Study	# Samples in Analysis	Array Type	Labeling Method	Reference
Yao	GSE14905	LS	32	25	U133_Plus_2	cRNA	Yao et al. 2008
		NL	28	25
Reischl	GSE6710	LS	13	13	U133A	cRNA	Reischl et al. 2007
		NL	13	13
Zaba (GSE11903)	GSE11903	LS	15	14	U133A_2	cRNA	Zaba et al. 2009
		NL	15	14
		Week12 LS	15	8
Gudjonsson	GSE13355	LS	39	37	U133_Plus_2	cRNA	Gudjonsson et al. 2010
Low		NL	39	37
Gudjonsson		LS	19	19
High		NL	19	19
Zaba (Amgen)	GSE41664	LS	15	15	U133_Plus_2	cDNA	in-house
		NL	15	15
		Week12 LS	9	8
Asterand	GSE41664	LS	14	14	U133_Plus_2	cDNA	in-house
		NL	14	14
NCT00867100	GSE41664	LS	24	24	U133_Plus_2	cDNA	in-house
		NL	24	24

^*LS = lesional, NL = non-lesional.