[Retracted] Prediction of Prognosis and Molecular Mechanism of Ferroptosis in Hepatocellular Carcinoma Based on Bioinformatics Methods

Table 3

Main characteristics of the previous related studies.

Authors	Year	Database	Sample size		FRL signature	AUC
			Training cohort	Testing cohort		Training cohort	Testing cohort
Huang et al. [28]	22021	TCGA	218	145	AC009005.1, AC092119.2, AC099850.3, AL356234.2, GDNF-AS1, LINC01224, LUCAT1, and ZFPM2-AS1	0.719 (3 years)	0.745 (3 years)
Xu et al. [29]	2021	TCGA/GSE40144	255	59	CTD-2033A16.3, CTD-2116N20.1, CTD-2510F5.4, DDX11-AS1, LINC00942, LINC01224, LINC01231, LINC01508, and ZFPM2-AS1	0.812, 0.846, and 0.908 (3, 5, and 10 years)	0.635 (3 years)
Liang et al. [17]	2021	TCGA/GSE14520	374	488	RHPN1-AS1, MAPKAPK5-AS1, and PART1	0.711, 0.649, and 0.632 (1, 3, and 5 years)	0.711, 0.671, and 0.649 (1, 3, and 5 years)
Z. Zhang et al. [30]	2022	TCGA	206	136	PRRT3-AS1, LNCSRLR, MKLN1-AS, LINC01224, LINC01063, and POLH-AS1	0.812, 0.758, and 0.709 (1, 3, and 5 years)	0.845, 0.787, and 0.700 (1, 3, and 5 years)
Chen et al. [31]	2021	TCGA	174	174	AC245297.3, MYLK-AS1, NRAV, SREBF2-AS1, AL031985.3, ZFPM2-AS1, AC015908.3, and MSC-AS1	0.830 (1 years)	0.806 (1 years)
Wang et al. [32]	2021	TCGA/GSE76427	370	Not available	LUCAT1, AC099850.3, AL365203.2, AL031985.3, and AC009005.1	0.772, 0.707, and 0.666 (1, 3, and 5 years)	Not available