Medline-based bibliometric analysis of gastroenterology journals between 2001 and 2007

Table 1 Publication trend of articles in gastroenterology journals, 2001-2007

Journal	2001	2002	2003	2004	2005	2006	2007	Total
Abdom Imaging	126	117	147	116	119	146	126	897
Acta Gastroenterol Belg	45	52	38	45	66	51	47	344
Acta Gastroenterol Latinoam	34	17	30	16	27	52	49	225
Aliment Pharmacol Ther	246	305	372	416	363	390	338	2430
Am J Gastroenterol	543	466	425	338	363	383	340	2858
Am J Physiol Gastrointest Liver Physiol	331	289	267	272	298	289	354	2100
Ann Hepatol		30	29	29	48	56	47	239
Arq Gastroenterol	44	42	45	49	46	61	63	350
Best Pract Res Clin Gastroenterol	64	67	66	90	66	68	67	488
BMC Gastroenterol	14	23	34	32	39	43	46	231
Can J Gastroenterol	98	79	98	95	66	85	97	618
Chin J Dig Dis				35	43	39		117
Clin Colorectal Cancer	27	31	34	43	60	54	49	298
Clin Gastroenterol Hepatol			62	153	219	231	275	940
Clin Liver Dis	52	56	53	49	44	48	50	352
Colorectal Dis	68	105	93	92	104	139	149	750
Curr Gastroenterol Rep	81	70	79	77	76	71	80	534
Curr Issues Intest Microbiol	5	5	8	7	7	10	5	47
Curr Opin Gastroenterol	91	85	66	78	86	81	78	565
Dig Dis	47	40	43	53	36	33	53	305
Dig Dis Sci	390	415	345	324	406	376	570	2826
Dig Liver Dis	129	172	174	166	153	176	200	1170
Dig Surg	95	96	78	70	60	65	78	542
Digestion	88	69	62	71	69	77	70	506
Dis Colon Rectum	263	245	255	270	301	246	257	1837
Dis Esophagus	63	68	75	66	80	91	92	535
Dysphagia	37	42	36	35	42	40	43	275
Eat Weight Disord	35	42	55	49	56	52	47	336
Eksp Klin Gastroenterol		145	120	94	96	81	119	655
Eur J Gastroenterol Hepatol	263	222	212	217	217	216	192	1539
Gastric Cancer	33	45	57	35	42	45	40	297
Gastroenterol Clin Biol	196	195	185	213	172	190	177	1328
Gastroenterol Clin North Am	54	74	54	59	46	49	51	387
Gastroenterol Hepatol	89	90	87	109	95	142	84	696
Gastroenterol Nurs	48	53	47	55	65	68	51	387
Gastroenterology	361	437	402	468	428	439	456	2991
Gastrointest Endosc	436	491	447	429	374	412	416	3005
Gastrointest Endosc Clin N Am	47	55	52	59	51	61	52	377
Gut	322	406	348	346	342	320	299	2383
Hepatobiliary Pancreat Dis Int		128	121	128	120	115	114	726
Hepatogastroenterology	414	422	580	443	426	209	542	3036
Hepatology	344	389	335	353	319	346	388	2474
Hernia	47	44	50	84	86	104	98	513
Indian J Gastroenterol	104	87	105	85	88	104	93	666
Inflamm Bowel Dis	66	70	65	156	160	147	200	864
Int J Colorectal Dis	63	64	86	89	74	123	191	690
Int J Gastrointest Cancer	43	46	43		51	23		206
Int J Pancreatol	25							25
J Clin Gastroenterol	185	180	156	177	177	177	157	1209
J Dig Dis							36	36
J Gastroenterol	125	206	192	170	156	147	172	1168
J Gastroenterol Hepatol	239	279	213	265	327	365	447	2135
J Gastrointest Surg	100	127	140	161	175	195	258	1156
J Gastrointestin Liver Dis						61	69	130
J Health Popul Nutr	32	45	43	47	44	57	56	324
J Hepatobiliary Pancreat Surg	88	107	76	84	91	97	98	641
J Hepatol	226	231	304	268	282	276	227	1814
J Pediatr Gastroenterol Nutr	256	268	207	234	273	244	219	1701
J Viral Hepat	62	64	71	80	90	117	126	610
JOP	55	18	24	68	69	79	87	400
Korean J Gastroenterol			81	103	136	144	133	597
Korean J Hepatol				41	51	57	59	208
Liver	58	87						145
Liver Int			75	96	153	159	172	655
Liver Transpl	184	186	234	256	225	297	281	1663
Minerva Gastroenterol Dietol	27	42	32	35	29	41	36	242
Nat Clin Pract Gastroenterol Hepatol				27	126	121	138	412
Neurogastroenterol Motil	55	64	64	114	104	105	128	634
Nippon Shokakibyo Gakkai Zasshi	127	155	141	112	130	120	144	929
Pancreas	128	134	154	147	143	116	131	953
Pancreatology	74	58	55	38	72	54	56	407
Rev Esp Enferm Dig	57	61	73	99	89	91	110	580
Rev Gastroenterol Disord	13	28	47	51	35	27	32	233
Rev Gastroenterol Mex	31	83	66	82	105	88	99	554
Rev Gastroenterol Peru	34	32	34	35	39	39	46	259
Rom J Gastroenterol		48	47	50	63			208
Ross Gastroenterol Zh	29							29
Scand J Gastroenterol	218	235	209	222	219	210	235	1548
Scand J Gastroenterol Suppl	16	18	30	15		25		104
Semin Gastrointest Dis	26	23	23					72
Semin Liver Dis	43	41	44	60	47	39	38	312
Surg Endosc	376	454	505	393	292	362	463	2845
Surg Laparosc Endosc Percutan Tech	86	89	90	80	92	107	144	688
Taehan Kan Hakhoe Chi		67	42					109
Tech Coloproctol	41	43	39	130	54	67	59	433
Trop Gastroenterol	65	66	59	55	56	43	51	395
Turk J Gastroenterol		48	59	58	53	65	49	332
World J Gastroenterol	172	236	632	812	1478	1315	1039	5684
Z Gastroenterol	134	156	127	115	90	90	93	805
Zhonghua Ganzangbing Zazhi	114	193	325	325	341	308	314	1920
Zhonghua Weichang Waike Zazhi					109	108	105	322
Total	9447	10 663	11 178	11 663	12 610	12 660	13 340	81 561

Table 2 Articles of gastroenterology journals stratified by selected publication type and author type, 2001-2007

Journal	No. of all articles	Review	Case report	Clinical trial	Multicenter study	Randomized controlled trial	No. of authors	No. of exclusive authors1	Share of exclusive authors1 (%)
Abdom Imaging	897	184	310	7	1	7	3094	1360	44.0
Acta Gastroenterol Belg	344	137	92	8	4	3	1113	435	39.1
Acta Gastroenterol Latinoam	225	36	52	5	4	2	815	542	66.5
Aliment Pharmacol Ther	2430	674	10	556	273	536	8177	2108	25.8
Am J Gastroenterol	2858	302	169	279	150	278	10 889	2753	25.3
Am J Physiol Gastrointest Liver Physiol	2100	126		55		27	7045	2689	38.2
Ann Hepatol	239	89	58	10	2	7	705	332	47.1
Arq Gastroenterol	350	34	21	6	5	10	1067	689	64.6
Best Pract Res Clin Gastroenterol	488	459	6				1145	341	29.8
BMC Gastroenterol	231	6	47	12	6	13	934	164	17.6
Can J Gastroenterol	618	187	137	17	18	18	1579	556	35.2
Chin J Dig Dis	117	23	2	2		5	400	71	17.8
Clin Colorectal Cancer	298	130	25	25	17	14	910	552	60.7
Clin Gastroenterol Hepatol	940	153	198	64	76	89	4079	918	22.5
Clin Liver Dis	352	349	1				522	78	14.9
Colorectal Dis	750	91	11	32	14	33	2202	895	40.6
Curr Gastroenterol Rep	534	418	1	6	1	5	791	139	17.6
Curr Issues Intest Microbiol	47	24					133	81	60.9
Curr Opin Gastroenterol	565	245					735	144	19.6
Dig Dis	305	202	5	7	2	8	852	128	15.0
Dig Dis Sci	2826	183	649	148	58	135	11 395	3418	30.0
Dig Liver Dis	1170	239	146	78	45	56	4634	1270	27.4
Dig Surg	542	96	148	9	3	13	1997	514	25.7
Digestion	506	106	45	49	28	41	2332	483	20.7
Dis Colon Rectum	1837	130	256	219	57	143	6506	2349	36.1
Dis Esophagus	535	71	145	21	7	15	2226	709	31.9
Dysphagia	275	16	33	13	1	6	850	579	68.1
Eat Weight Disord	336	35	21	17	5	14	1070	867	81.0
Eksp Klin Gastroenterol	655	138	23	76	1	18	984	940	95.5
Eur J Gastroenterol Hepatol	1539	315	378	83	93	87	6606	1966	29.8
Gastric Cancer	297	40	54	30	9	7	1301	249	19.1
Gastroenterol Clin Biol	1328	603	326	35	36	16	3188	1623	50.9
Gastroenterol Clin North Am	387	373	3				614	107	17.4
Gastroenterol Hepatol	696	229	184	12	3	3	2259	1235	54.7
Gastroenterol Nurs	387	114	29	12	1	9	430	293	68.1
Gastroenterology	2991	352	205	169	106	171	12 770	4003	31.3
Gastrointest Endosc	3005	220	1275	230	100	186	8547	2426	28.4
Gastrointest Endosc Clin N Am	377	338	2				581	87	15.0
Gut	2383	343	227	132	139	144	9785	2612	26.7
Hepatobiliary Pancreat Dis Int	726	64	67	40	9	20	2128	464	21.8
Hepatogastroenterology	3036	145	654	155	31	100	9648	2952	30.6
Hepatology	2474	211	15	148	105	131	10 588	3502	33.1
Hernia	513	60	151	20	18	32	1627	822	50.5
Indian J Gastroenterol	666	66	355	16	2	17	1791	893	49.9
Inflamm Bowel Dis	864	158	37	43	34	31	3266	854	26.1
Int J Colorectal Dis	690	63	74	57	21	40	3249	930	28.6
Int J Gastrointest Cancer	206	36	52	14	2		968	279	28.8
Int J Pancreatol	25	3	9				137	9	6.6
J Clin Gastroenterol	1209	320	241	59	31	56	4326	1192	27.6
J Dig Dis	36	6	3	2	1	1	160	29	18.1
J Gastroenterol	1168	219	299	45	24	29	4429	734	16.6
J Gastroenterol Hepatol	2135	274	351	93	37	91	7661	1672	21.8
J Gastrointest Surg	1156	114	132	23	16	24	4329	1476	34.1
J Gastrointestin Liver Dis	130	22	41	4	3	3	484	216	44.6
J Health Popul Nutr	324	16	1	8	2	16	1185	924	78.0
J Hepatobiliary Pancreat Surg	641	142	207	8	4	6	2345	427	18.2
J Hepatol	1814	259	114	120	56	81	8036	2200	27.4
J Pediatr Gastroenterol Nutr	1701	257	389	93	36	119	5894	3239	55.0
J Viral Hepat	610	74	16	81	48	56	3255	887	27.3
JOP	400	124	168	7		2	1396	473	33.9
Korean J Gastroenterol	597	65	128	7	4	8	1249	372	29.8
Korean J Hepatol	208	25	28	2		3	585	89	15.2
Liver	145	14	20	14	1	5	759	164	21.6
Liver Int	655	68	38	39	16	19	3613	751	20.8
Liver Transpl	1663	223	261	72	43	49	5517	2025	36.7
Minerva Gastroenterol Dietol	242	87	15	5	1	2	788	284	36.0
Nat Clin Pract Gastroenterol Hepatol	412	128	35	8	10	8	693	91	13.1
Neurogastroenterol Motil	634	111	5	52	5	39	1874	478	25.5
Nippon Shokakibyo Gakkai Zasshi	929	326	594	1	1	1	3464	856	24.7
Pancreas	953	60	109	35	16	9	3966	1144	28.8
Pancreatology	407	108	55	16	5	2	1627	399	24.5
Rev Esp Enferm Dig	580	80	145	28	5	13	2185	1234	56.5
Rev Gastroenterol Disord	233	154	4				124	10	8.1
Rev Gastroenterol Mex	554	204	112	15		8	1224	972	79.4
Rev Gastroenterol Peru	259	50	74	8		6	824	692	84.0
Rom J Gastroenterol	208	51	66	24	5	4	590	318	53.9
Ross Gastroenterol Zh	29	5	2	2			90	44	48.9
Scand J Gastroenterol	1548	80	128	151	65	120	6465	1817	28.1
Scand J Gastroenterol Suppl	104	92	2	1	1		270	28	10.4
Semin Gastrointest Dis	72	64	43				121	11	9.1
Semin Liver Dis	312	264	29	2			598	80	13.4
Surg Endosc	2845	229	430	203	73	183	9117	4404	48.3
Surg Laparosc Endosc Percutan Tech	688	45	318	23	4	24	2523	871	34.5
Taehan Kan Hakhoe Chi	109	4	30	4		2	417	61	14.6
Tech Coloproctol	433	53	82	26	14	23	1283	500	39.0
Trop Gastroenterol	395	84	166	11	1	7	929	440	47.4
Turk J Gastroenterol	332	11	87	7	4	6	1096	460	42.0
World J Gastroenterol	5684	584	637	338	46	176	17 838	6839	38.3
Z Gastroenterol	805	198	193	39	14	14	1917	737	38.4
Zhonghua Ganzangbing Zazhi	1920	95	33	34	11	34	3693	1117	30.2
Zhonghua Weichang Waike Zazhi	322						1096	262	23.9
Total	81 561	14 005	12539	4627	2090	3739	14 1741	92 429	65.2

¹Exclusive authors denote the authors who had published in only one journal during the study period.

Table 3 The most prolific authors in gastroenterology journals, 2001-2007

Author	Affiliation	No. of articles
Nicholas J Talley	Mayo Clinic, Rochester, USA	205
Michael P Manns	Hannover Medical School, Germany	170
Peter Malfertheiner	University of Magdeburg, Germany	166
Todd H Baron	Mayo Clinic, Rochester, USA	165
Masatoshi Makuuchi	University of Tokyo, Japan	163
Markus W Buchler	University of Heidelberg, Germany	160
Shou-Dong Lee	Taipei Veterans General Hospital, Taiwan, China	155
Giovanni Gasbarrini	Catholic University of Rome, Italy	147
William J Sandborn	Mayo Clinic, Rochester, USA	141
Full-Young Chang	Taipei Veterans General Hospital, Taiwan, China	140