TABLE 1.

Information for selected microarray datasets.

GEO accession	Platform	Samples		Source tissue	SLE patients		Attribute	Diagnostic criteria
		SLE	HC		Active renal involvement	Without active renal involvement
GSE49454	GPL10558	157	20	Whole blood	64	93	Test set	1997 ACR criteria for SLE (42)
GSE65391	GPL10558	137	53	Whole blood	69	68	Validation set	Not mentioned

Active renal involvement: defined by the presence of at least one component of the renal SLEDAI.