TABLE 1.

All data sets used in this study contain a total of 1,273 samples, among which there were 650 cases and 623 controls.

Data sets (GEO ID)	Data		Sample type	References	Category	Phenotype	GPL
	Case	Control
GSE16561	39	24	Peripheral blood	Johnston et al., 2018; Kaushal et al., 2015; Khan et al., 2013	Train	Ischemic stroke	GPL570
GSE58294	69	23	Peripheral blood	Lautrup et al., 2019	Train	Ischemic stroke	GPL570
GSE37587	68	0	Peripheral blood	Li et al., 2019	Test	Ischemic stroke	GPL6883
GSE46480	0	98	Peripheral blood	Issa et al., 2016	Test	Control	GPL570
GSE63060	145	104	Peripheral blood	Lee et al., 2010	Train	Alzheimer’s disease*	GPL6947
GSE63061	139	134	Peripheral blood	Lee et al., 2010	Train	Alzheimer’s disease*	GPL10558
GSE140829	190	240	Peripheral blood	Cooper et al., 2018	Test	Alzheimer’s disease*	GPL15988

All samples were collected in the peripheral blood tissue.

*All the MCI samples included in the datasets were deleted, and the Case column only referred to AD samples.