Scimago Journal & Country Rank

American Journal of Gastroenterology

Country

United States

Universities and research institutions in United States

Subject Area and Category

Publisher

Springer Nature

H-Index

264

Publication type

Journals

ISSN

00029270, 15720241

Coverage

1938, 1947-2021

Information

Homepage

How to publish in this journal

Scope

AJG is published on behalf of the American College of Gastroenterology (ACG). As the leading clinical journal covering gastroenterology and hepatology, The American Journal of Gastroenterology (AJG) provides practical and professional support for clinicians dealing with the gastroenterological disorders seen most often in patients. Topics include: -Colon and Small Bowel- Endoscopy- Esophagus- Functional GI Disorders- Inflammatory Bowel Disease- Liver- Pancreas and Biliary Tract- Pathology- Pediatrics- Nutrition/Obesity- Stomach. AJG devotes itself to publishing timely medical research in gastroenterology and hepatology with: -Original Research Articles- Review Articles- Brief Communications- ACG Clinical Guidelines- Editorials- The Red Section- Video Articles- Image Articles- Correspondence- Continuing Medical Education- Supplementary Issues Join the conversation about this journal
Quartiles

The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values.

CategoryYearQuartile
Gastroenterology1999Q1
Gastroenterology2000Q1
Gastroenterology2001Q1
Gastroenterology2002Q1
Gastroenterology2003Q1
Gastroenterology2004Q1
Gastroenterology2005Q1
Gastroenterology2006Q1
Gastroenterology2007Q1
Gastroenterology2008Q1
Gastroenterology2009Q1
Gastroenterology2010Q1
Gastroenterology2011Q1
Gastroenterology2012Q1
Gastroenterology2013Q1
Gastroenterology2014Q1
Gastroenterology2015Q1
Gastroenterology2016Q1
Gastroenterology2017Q1
Gastroenterology2018Q1
Gastroenterology2019Q1
Gastroenterology2020Q1
Gastroenterology2021Q1
Hepatology1999Q1
Hepatology2000Q1
Hepatology2001Q1
Hepatology2002Q1
Hepatology2003Q1
Hepatology2004Q1
Hepatology2005Q1
Hepatology2006Q1
Hepatology2007Q1
Hepatology2008Q1
Hepatology2009Q1
Hepatology2010Q1
Hepatology2011Q1
Hepatology2012Q1
Hepatology2013Q1
Hepatology2014Q1
Hepatology2015Q1
Hepatology2016Q1
Hepatology2017Q1
Hepatology2018Q1
Hepatology2019Q1
Hepatology2020Q1
Hepatology2021Q1
SJR

The SJR is a size-independent prestige indicator that ranks journals by their 'average prestige per article'. It is based on the idea that 'all citations are not created equal'. SJR is a measure of scientific influence of journals that accounts for both the number of citations received by a journal and the importance or prestige of the journals where such citations come from It measures the scientific influence of the average article in a journal, it expresses how central to the global scientific discussion an average article of the journal is.

YearSJR
19990.886
20001.058
20011.215
20021.416
20031.527
20041.823
20051.927
20062.178
20072.310
20082.523
20092.523
20102.626
20112.920
20123.062
20134.079
20143.991
20154.337
20164.280
20174.197
20183.668
20192.571
20202.907
20212.683
Total Documents

Evolution of the number of published documents. All types of documents are considered, including citable and non citable documents.

YearDocuments
1999814
2000878
2001808
2002713
2003602
2004448
2005482
2006531
2007572
2008601
2009616
2010473
2011373
2012340
2013353
2014329
2015345
2016431
2017490
2018392
2019393
2020463
2021624
Citations per document

This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. The two years line is equivalent to journal impact factor ™ (Thomson Reuters) metric.

Cites per documentYearValue
Cites / Doc. (4 years)19992.132
Cites / Doc. (4 years)20002.498
Cites / Doc. (4 years)20012.683
Cites / Doc. (4 years)20022.902
Cites / Doc. (4 years)20033.258
Cites / Doc. (4 years)20043.557
Cites / Doc. (4 years)20054.016
Cites / Doc. (4 years)20064.735
Cites / Doc. (4 years)20075.121
Cites / Doc. (4 years)20085.187
Cites / Doc. (4 years)20095.032
Cites / Doc. (4 years)20104.786
Cites / Doc. (4 years)20114.500
Cites / Doc. (4 years)20125.127
Cites / Doc. (4 years)20135.637
Cites / Doc. (4 years)20146.283
Cites / Doc. (4 years)20156.272
Cites / Doc. (4 years)20165.835
Cites / Doc. (4 years)20175.214
Cites / Doc. (4 years)20184.315
Cites / Doc. (4 years)20193.826
Cites / Doc. (4 years)20203.794
Cites / Doc. (4 years)20214.688
Cites / Doc. (3 years)19992.132
Cites / Doc. (3 years)20002.518
Cites / Doc. (3 years)20012.662
Cites / Doc. (3 years)20022.974
Cites / Doc. (3 years)20033.247
Cites / Doc. (3 years)20043.674
Cites / Doc. (3 years)20054.247
Cites / Doc. (3 years)20065.006
Cites / Doc. (3 years)20075.330
Cites / Doc. (3 years)20085.117
Cites / Doc. (3 years)20094.739
Cites / Doc. (3 years)20104.414
Cites / Doc. (3 years)20114.572
Cites / Doc. (3 years)20125.137
Cites / Doc. (3 years)20136.185
Cites / Doc. (3 years)20146.440
Cites / Doc. (3 years)20156.357
Cites / Doc. (3 years)20165.613
Cites / Doc. (3 years)20174.772
Cites / Doc. (3 years)20183.934
Cites / Doc. (3 years)20193.525
Cites / Doc. (3 years)20203.781
Cites / Doc. (3 years)20214.845
Cites / Doc. (2 years)19992.027
Cites / Doc. (2 years)20002.334
Cites / Doc. (2 years)20012.595
Cites / Doc. (2 years)20022.820
Cites / Doc. (2 years)20033.197
Cites / Doc. (2 years)20043.756
Cites / Doc. (2 years)20054.458
Cites / Doc. (2 years)20064.983
Cites / Doc. (2 years)20075.292
Cites / Doc. (2 years)20084.659
Cites / Doc. (2 years)20094.116
Cites / Doc. (2 years)20104.357
Cites / Doc. (2 years)20114.487
Cites / Doc. (2 years)20125.387
Cites / Doc. (2 years)20136.158
Cites / Doc. (2 years)20146.447
Cites / Doc. (2 years)20156.116
Cites / Doc. (2 years)20164.955
Cites / Doc. (2 years)20174.149
Cites / Doc. (2 years)20183.455
Cites / Doc. (2 years)20193.409
Cites / Doc. (2 years)20203.684
Cites / Doc. (2 years)20214.776
Total Cites 
Self-Cites

Evolution of the total number of citations and journal's self-citations received by a journal's published documents during the three previous years.
Journal Self-citation is defined as the number of citation from a journal citing article to articles published by the same journal.

CitesYearValue
Self Cites1999353
Self Cites2000451
Self Cites2001485
Self Cites2002565
Self Cites2003433
Self Cites2004371
Self Cites2005366
Self Cites2006413
Self Cites2007397
Self Cites2008440
Self Cites2009459
Self Cites2010363
Self Cites2011328
Self Cites2012227
Self Cites2013312
Self Cites2014193
Self Cites2015189
Self Cites2016180
Self Cites2017165
Self Cites2018160
Self Cites2019142
Self Cites2020100
Self Cites202147
Total Cites19994227
Total Cites20005275
Total Cites20016263
Total Cites20027435
Total Cites20037790
Total Cites20047799
Total Cites20057487
Total Cites20067669
Total Cites20077787
Total Cites20088111
Total Cites20098075
Total Cites20107896
Total Cites20117726
Total Cites20127510
Total Cites20137336
Total Cites20146865
Total Cites20156497
Total Cites20165765
Total Cites20175273
Total Cites20184980
Total Cites20194628
Total Cites20204821
Total Cites20216046
External Cites per Doc 
Cites per Doc

Evolution of the number of total citation per document and external citation per document (i.e. journal self-citations removed) received by a journal's published documents during the three previous years. External citations are calculated by subtracting the number of self-citations from the total number of citations received by the journal’s documents.

CitesYearValue
External Cites per document19992.530
External Cites per document20002.967
External Cites per document20013.523
External Cites per document20024.230
External Cites per document20035.012
External Cites per document20045.560
External Cites per document20055.964
External Cites per document20066.348
External Cites per document20076.327
External Cites per document20086.366
External Cites per document20096.326
External Cites per document20106.568
External Cites per document20116.895
External Cites per document20127.740
External Cites per document20138.661
External Cites per document20149.491
External Cites per document20159.529
External Cites per document20169.023
External Cites per document20178.070
External Cites per document20186.722
External Cites per document20195.834
External Cites per document20206.068
External Cites per document20217.184
Cites per document19992.132
Cites per document20002.518
Cites per document20012.662
Cites per document20022.974
Cites per document20033.247
Cites per document20043.674
Cites per document20054.247
Cites per document20065.006
Cites per document20075.330
Cites per document20085.117
Cites per document20094.739
Cites per document20104.414
Cites per document20114.572
Cites per document20125.137
Cites per document20136.185
Cites per document20146.440
Cites per document20156.357
Cites per document20165.613
Cites per document20174.772
Cites per document20183.934
Cites per document20193.525
Cites per document20203.781
Cites per document20214.845
% International Collaboration

International Collaboration accounts for the articles that have been produced by researchers from several countries. The chart shows the ratio of a journal's documents signed by researchers from more than one country; that is including more than one country address.

YearInternational Collaboration
19994.55
20007.29
200111.39
200211.64
20034.65
20043.35
20056.85
200612.99
200711.89
200813.48
200913.15
201015.01
201120.11
201217.06
201319.83
201414.59
201514.20
201611.83
201714.69
201817.86
201919.08
202020.09
202120.51
Citable documents 
Non-citable documents

Not every article in a journal is considered primary research and therefore "citable", this chart shows the ratio of a journal's articles including substantial research (research articles, conference papers and reviews) in three year windows vs. those documents other than research articles, reviews and conference papers.

DocumentsYearValue
Non-citable documents1999452
Non-citable documents2000469
Non-citable documents2001713
Non-citable documents2002876
Non-citable documents2003931
Non-citable documents2004787
Non-citable documents2005569
Non-citable documents2006389
Non-citable documents2007293
Non-citable documents2008380
Non-citable documents2009500
Non-citable documents2010642
Non-citable documents2011617
Non-citable documents2012521
Non-citable documents2013375
Non-citable documents2014363
Non-citable documents2015360
Non-citable documents2016408
Non-citable documents2017472
Non-citable documents2018549
Non-citable documents2019544
Non-citable documents2020497
Non-citable documents2021413
Citable documents19991531
Citable documents20001626
Citable documents20011640
Citable documents20021624
Citable documents20031468
Citable documents20041336
Citable documents20051194
Citable documents20061143
Citable documents20071168
Citable documents20081205
Citable documents20091204
Citable documents20101147
Citable documents20111073
Citable documents2012941
Citable documents2013811
Citable documents2014703
Citable documents2015662
Citable documents2016619
Citable documents2017633
Citable documents2018717
Citable documents2019769
Citable documents2020778
Citable documents2021835
Cited documents 
Uncited documents

Ratio of a journal's items, grouped in three years windows, that have been cited at least once vs. those not cited during the following year.

DocumentsYearValue
Uncited documents1999795
Uncited documents2000777
Uncited documents2001836
Uncited documents2002915
Uncited documents2003780
Uncited documents2004653
Uncited documents2005485
Uncited documents2006369
Uncited documents2007350
Uncited documents2008425
Uncited documents2009527
Uncited documents2010608
Uncited documents2011549
Uncited documents2012476
Uncited documents2013356
Uncited documents2014358
Uncited documents2015363
Uncited documents2016399
Uncited documents2017474
Uncited documents2018632
Uncited documents2019643
Uncited documents2020604
Uncited documents2021500
Cited documents19991188
Cited documents20001318
Cited documents20011517
Cited documents20021585
Cited documents20031619
Cited documents20041470
Cited documents20051278
Cited documents20061163
Cited documents20071111
Cited documents20081160
Cited documents20091177
Cited documents20101181
Cited documents20111141
Cited documents2012986
Cited documents2013830
Cited documents2014708
Cited documents2015659
Cited documents2016628
Cited documents2017631
Cited documents2018634
Cited documents2019670
Cited documents2020671
Cited documents2021748
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