Table 1. Basic information of the retrieved datasets of Ems.

Datasets	Accession	Platform	No. of probes	NM samples	EU samples	EC samples	References
Microarray	GSE7305	GPL570 [HG-U133_Plus_2]	54675	-	10	10	Hever et al., 2007
	GSE7307	GPL570 [HG-U133_Plus_2]	54675	-	23	18	Unpublished
	GSE6364	GPL570 [HG-U133_Plus_2]	54675	7	21	-	Burney et al.,2007
	E-MTAB-694	GPL570 [HG-U133_Plus_2]	54675	-	17	18	Sohler et al., 2013
	GSE51981	GPL570 [HG-U133_Plus_2]	54675	34	77	-	Tamaresis et al., 2014
RNA-seq	GSE105764	GPL20301 [Illumina HiSeq 4000]	-	-	8	8	Zhao et al., 2018

Notes. EMs, endometriosis; NM, normal endometrium; EU, eutopic endometrium; EC, ectopic endometrium (lesions).