Mapping research trends of transarterial chemoembolization for hepatocellular carcinoma from 2012 to 2021: A bibliometric analysis

Table 1 Topic search quires and refinement procedure

Step	Results	Refinement
1	13393	TS = (Hepatocellular Carcinoma OR HCC OR Liver Cancer OR Liver Neoplasms OR Hepatic Neoplasms OR Cancer of Liver) AND TS = (Chemoembolization OR Chemoembolisation OR Transcatheter Embolization OR Transcatheter Chemoembolization OR TACE OR Transarterial chemoembolization)
2	8530	Refined by publication years: (2012 OR 2013 OR 2014 OR 2015 OR 2016 OR 2017 OR 2018 OR 2019 OR 2020 OR 2021)
3	5830	Refined by document types: Articles
4	5728	Refined by languages: English

TS: Topic; HCC: Hepatocellular carcinoma; TACE: Transarterial chemoembolization.

Table 2 The top ten countries/regions with the highest productivity

Rank	Country/Region	Np	Nc	Average per item	H-index
1	China	2109	22453	13.17	61
2	United States	1100	31045	30.41	71
3	Japan	746	10739	16.03	46
4	South Korea	595	10605	19.92	49
5	Germany	371	5529	16.04	37
6	Italy	279	9252	34.27	45
7	China Taiwan	244	5330	22.84	34
8	France	190	6609	35.97	35
9	Egypt	120	969	8.72	18
10	England	106	3554	34.74	29

H-index: Hirsch index; Np: Number of papers; Nc: Number of citations.

Table 3 The top five most productive affiliations

Rank	Affiliations	Country	Np	Nc	Average per item	H-index
1	Sun Yat-senUniversity	China	228	4360	20.53	34
2	Fudan University	China	146	2991	21.15	27
3	Seoul national University	South korea	112	1497	14.23	23
4	Ulsan University	South korea	111	2033	19.51	25
5	Yonsei University	South korea	109	2126	20.35	25

H-index: Hirsch index; Np: Number of papers; Nc: Number of citations.

Table 4 The top 10 most active journals

Rank	Journal	Np	Nc	Average per item	H-index	IF (2021)
1	Journal of Vascular and Interventional Radiology	234	3858	17.41	33	3.682
2	Cardiovascular and Interventional Radiology	220	2845	13.86	26	2.797
3	World Journal of Gastroenterology	143	3423	24.25	33	5.374
4	Medicine	118	1057	9.16	18	1.817
5	PLoS One	113	2108	18.94	26	3.752
6	European Radiology	108	1441	14.13	21	7.034
7	Hepatology Research	81	1434	18.32	21	4.942
8	Frontiers in Oncology	77	278	3.83	9	5.738
9	Oncotarget	75	1119	15.17	19	/
10	BMC Cancer	74	1487	20.18	23	4.638

H-index: Hirsch index; Np: Number of papers; Nc: Number of citations; IF: Impact factors.