Table 3.

Statistics of the nine microarray databases derived from the GEO database

Dataset ID	PTB	HC	Other diseases	Total number
GSE56153	18	18	–	36
GSE19491	117	61	–	178
GSE28623	37	46	–	83
GSE34608	18	8	–	26
GSE54992	6	27	–	33
GSE62525	14	14	–	28
GSE147964	10	20	–	30
GSE147690	14	35	–	49
GSE37250	97	–	83	180

GEO: Gene Expression Omnibus; PTB: pulmonary tuberculosis; HC: healthy control; Other diseases: TB was considered in the differential diagnosis but then excluded