Table I.

General information of included expression profiles.

GEO accession	Chip	Probe number	Sample size	Stage I	Stage II
GSE43580	HG-U133_Plus_2	54,676	73	34	39
GSE50081	HG-U133_Plus_2	54,676	43	27	16
GSE42127	Illumina HumanWG-6	48,803	33	23	10
GSE41271	Illumina HumanWG-6	48,803	48	31	17
GSE17710	Agilent-UNC	33,421	53	34	19
GSE68793	HT_HG-U133A	22,277	101	70	31
GSE33532	HG-U133_Plus_2	25,906	16	8	8

GEO, Gene Expression Omnibus.