Table 1. Accession information for datasets downloaded from the GEO database.

GSE6764, GSE49541 and GSE84044 was used for identifying DEGs; GSE14323 was used for validation.

Accession	GPL	Etiology	Sample size case/control	Sample fibrosis stage	Country	Year
GSE6764	GPL570	HCV	10/13	F4/FO	USA	2007
GSE49541	GPL570	NAFLD	32/40	F3–F4/F0–F1	USA	2013
GSE84044	GPL570	HBV	28/63	F3–F4/F0–F1	China	2016
GSE14323	GPL571	HCV	41/9	F4/F0	USA	2009