Bibliometric analysis on the top one hundred cited studies on gastrointestinal endoscopy

Table 1 The publication trend of the top 100 cited articles at different ages

Publication year	Publication number	Total citations	Average citations
1976-1980	2	737	369
1981-1985	3	549	183
1986-1990	6	1029	172
1991-1995	7	1855	265
1996-2000	4	741	185
2001-2005	12	4860	405
2006-2010	11	2166	197
2011-2015	23	6532	284
2016-2020	29	7746	267
2021-2022	3	599	200

Table 2 Publication trend of different study types

Study type	Publication number	Total citations	Average citations	Average publication year
Clinical trial	37	9818	265	1998
Review	6	1474	246	2007
Guideline	52	14359	276	2015
Database study	2	302	151	2009
Meta-analysis	3	861	287	2007

Table 3 Publication trend of different study designs

Study design	Publication number	Total citations	Average citations	Average publication year
Survey study	2	514	257	1993
Randomized controlled trial	2	405	203	1994
Quality improvement study	2	301	151	2000
Parallel-design trial	3	809	270	2006
Diagnostic study	10	2883	288	2003
Cross-sectional study	4	1308	327	1984
Comparative effectiveness research	1	171	171	1984
Cohort study	8	2060	258	1998
Case series	5	1382	276	1998

Table 4 Top 10 authors in terms of publication number

Author	Publication number	Total citations	Institution	Country
Hassan Cesare	27	8102	Nuovo Regina Margherita Hosp	Italy
Dumonceau Jean-Marc	23	6650	Gedyt Endoscopy Ctr	Argentina
Van Hooft Jeanin E.	14	3621	Leiden Univ	Netherlands
Dinis-Ribeiro Mario	14	5085	Portuguese Institute of Oncology	Portugal
Dumonceau Jean-Marc	12	3591	Charleroi Univ Hosp	Belgium
Vanbiervliet Geoffroy	9	2119	CHU Nice	France
Bisschops Raf	8	2249	Univ Hosp Leuven	Belgium
Tringali Andrea	8	2225	Fdn Policlin Univ A Gemelli IRCCS	Italy
Spada Cristiano	8	2398	Fdn Poliambulanza	Italy
Ponchon Thierry	8	3125	CHU Lyon	France

Table 5 Top 10 institutions in terms of publication number

Institution	Publication number	Total citations	Country
University of Amsterdam	28	7717	Netherlands
IRRCCS Policlinico Gemelli	27	6995	Italy
Gedyt Endoscopy CTR	20	6322	Argentina
Academic Medical Center Amsterdam	19	5114	Netherlands
Poliambulatorio Nuovo Regina Margherita	17	5637	Italy
Univ Libre Bruxelles	15	4217	Belgium
Aix Marseille University	14	3943	France
University of Oslo	14	3865	Norway
Centre of Postgraduate Medical Education	13	3883	Poland
Maria Sklodowska-Curie National Research Institute of Oncology	12	3619	Poland
University of Geneva	12	3215	Switzerland

Table 6 Characteristics of journals recording the 100 articles

Source title	IF, 2022	IF, 5-year	Category rank	Quartile	Publications	Citations	Average citations
Endoscopy	9.3	9.6	6	Q1	50	13907	278
Gastrointestinal Endoscopy	7.7	7.9	16	Q1	11	3389	308
Gut	24.5	25.2	5	Q1	7	1627	232
American Journal of Gastroenterology	10.2	11.5	10	Q1	6	1592	265
New England Journal of Medicine	158.5	115.7	2	Q1	4	706	177
Annals of Internal Medicine	39.2	35.3	6	Q1	2	528	264
Clinical Gastroenterology and Hepatology	12.6	11.4	8	Q1	2	708	354
Digestive Endoscopy	5.5	5.3	16	Q1	2	490	245
Annual Review of Biomedical Engineering	9.7	18.9	9	Q1	1	140	140
Clinical Microbiology Reviews	36.8	37.4	3	Q1	1	305	305
European Radiology	5.9	5.5	16	Q1	1	144	144
Gastroenterology	29.4	25.8	3	Q1	1	699	699
Jama-Journal of The American Medical Association	120.7	81.4	3	Q1	1	599	599
Journal of Clinical Pathology	3.4	3.1	28	Q2	1	136	136
Journal of Gastroenterology and Hepatology	4.1	4	38	Q2	1	187	187
Journal of Pediatric Gastroenterology and Nutrition	2.9	3.4	42	Q2	1	140	140
Lancet	168.9	118.1	1	Q1	1	138	138
Lancet Oncology	51.1	41.6	4	Q1	1	209	209
Photochemistry and Photobiology	3.3	3.2	28	Q2	1	281	281
Scandinavian Journal of Gastroenterology	1.8	2.2	86	Q4	1	283	283
Scientific Data	9.8	10.8	11	Q1	1	158	158
Surgical Endoscopy and Other Interventional Techniques	3.1	3.5	50	Q1	1	135	135
Surgical Endoscopy-Ultrasound and Interventional Techniques	3.1	3.5	50	Q1	1	149	149
World Journal of Gastroenterology	4.3	5.3	33	Q2	1	164	164

IF: Impact factor.