Table 2.

Detailed information of 24 datasets which were used in RRA analysis.

Time	Gene set	Platform	Number of probes	Country	Tumor type	Tumor sample number	Control sample number
2008	GSE10121	GPL6353	33484	Germany	OSCC	35	6
2017	GSE103412	GPL23978	39321	Denmark	OSCC	23	9
2008	GSE13399	GPL7540	36197	USA	HNSCC	8	8
2008	GSE13601	GPL8300	12625	USA	OSCC	31	26
2019	GSE138206	GPL570	9442	China	OSCC	6	6
2020	GSE143224	GPL5175	19076	Brazil	LSCC	14	11
2010	GSE23036	GPL571	22277	Spain	HNSCC	63	5
2010	GSE23558	GPL6480	41000	India	OSCC	27	5
2010	GSE25099	GPL5175	17881	China	OSCC	57	22
2011	GSE29330	GPL570	54675	USA	HNSCC	13	5
2011	GSE31056	GPL10526	17788	USA	OSCC	23	73
2011	GSE33205	GPL5175	22011	USA	HNSCC	44	25
2011	GSE34105	GPL14951	29377	Sweden	OSCC	62	16
2012	GSE37991	GPL6883	24526	China	OSCC	40	40
2012	GSE42743	GPL570	54645	USA	OSCC	74	29
2013	GSE51985	GPL10558	47220	China	LSCC	10	10
2014	GSE55550	GPL17077	50739	USA	OSCC	139	16
2014	GSE58911	GPL6244	33297	USA	HNSCC	15	15
2014	GSE59102	GPL6480	34664	Brazil	LSCC	29	13
2007	GSE6631	GPL8300	12625	USA	HNSCC	22	22
2007	GSE6791	GPL570	54675	USA	HNSCC	42	14
2016	GSE83519	GPL4133	43376	Netherlands	HNSCC	22	22
2016	GSE84957	GPL17843	77162	China	LSCC	9	9
2007	GSE9844	GPL570	54645	USA	OSCC	26	12

LSCC: laryngeal squamous cell cancer; OSCC: oral squamous cell cancer; HNSCC: head and neck cancer.