Table 1.

Statistics of the Four Microarray Databases Derived from the GEO Database.

Dataset ID	NMIBC	MIBC	Total
GSE7476	6	3	9
GSE37317	8	10	18
GSE48075	69	73	142
GSE120736	78	61	139

GEO: gene expression omnibus; MIBC: muscle invasive bladder cancer; NMIBC: non-MIBC.