Scimago Journal & Country Rank

American Journal of Gastroenterology

CountryUnited Kingdom
198
H Index
Subject Area and CategoryMedicine
Gastroenterology
PublisherBlackwell Publishing Inc.
Publication typeJournals
ISSN15720241, 00029270
Coverage1953-ongoing
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. Published with practicing clinicians in mind, the journal aims to be easily accessible, organizing its content by topic, both online and in print. (source)
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
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
19990.850
20001.018
20011.198
20021.392
20031.512
20041.759
20051.868
20062.124
20072.249
20082.452
20092.461
20102.497
20112.822
20122.992
20134.003
20143.898
20153.946
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)19992.400
Cites / Doc. (4 years)20003.021
Cites / Doc. (4 years)20013.564
Cites / Doc. (4 years)20024.130
Cites / Doc. (4 years)20034.926
Cites / Doc. (4 years)20045.566
Cites / Doc. (4 years)20055.939
Cites / Doc. (4 years)20066.619
Cites / Doc. (4 years)20076.647
Cites / Doc. (4 years)20086.625
Cites / Doc. (4 years)20096.807
Cites / Doc. (4 years)20106.954
Cites / Doc. (4 years)20116.905
Cites / Doc. (4 years)20127.778
Cites / Doc. (4 years)20138.622
Cites / Doc. (4 years)20149.105
Cites / Doc. (4 years)20158.570
Cites / Doc. (3 years)19992.400
Cites / Doc. (3 years)20002.976
Cites / Doc. (3 years)20013.651
Cites / Doc. (3 years)20024.408
Cites / Doc. (3 years)20035.127
Cites / Doc. (3 years)20045.671
Cites / Doc. (3 years)20056.177
Cites / Doc. (3 years)20066.598
Cites / Doc. (3 years)20076.552
Cites / Doc. (3 years)20086.642
Cites / Doc. (3 years)20096.598
Cites / Doc. (3 years)20106.751
Cites / Doc. (3 years)20117.221
Cites / Doc. (3 years)20127.862
Cites / Doc. (3 years)20138.914
Cites / Doc. (3 years)20149.650
Cites / Doc. (3 years)20158.856
Cites / Doc. (2 years)19992.166
Cites / Doc. (2 years)20002.817
Cites / Doc. (2 years)20013.731
Cites / Doc. (2 years)20024.412
Cites / Doc. (2 years)20034.974
Cites / Doc. (2 years)20045.832
Cites / Doc. (2 years)20056.098
Cites / Doc. (2 years)20066.061
Cites / Doc. (2 years)20076.553
Cites / Doc. (2 years)20086.190
Cites / Doc. (2 years)20096.026
Cites / Doc. (2 years)20107.051
Cites / Doc. (2 years)20117.184
Cites / Doc. (2 years)20127.585
Cites / Doc. (2 years)20139.103
Cites / Doc. (2 years)20149.962
Cites / Doc. (2 years)20158.645
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 Cites1999349
Self Cites2000368
Self Cites2001442
Self Cites2002542
Self Cites2003415
Self Cites2004370
Self Cites2005366
Self Cites2006412
Self Cites2007397
Self Cites2008440
Self Cites2009473
Self Cites2010382
Self Cites2011346
Self Cites2012253
Self Cites2013346
Self Cites2014199
Self Cites2015177
Total Cites19993684
Total Cites20004860
Total Cites20016060
Total Cites20027291
Total Cites20037654
Total Cites20047650
Total Cites20057381
Total Cites20067561
Total Cites20077679
Total Cites20088044
Total Cites20098010
Total Cites20107858
Total Cites20117921
Total Cites20127610
Total Cites20137506
Total Cites20147054
Total Cites20156084
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 document19992.173
External Cites per document20002.751
External Cites per document20013.384
External Cites per document20024.080
External Cites per document20034.849
External Cites per document20045.397
External Cites per document20055.870
External Cites per document20066.238
External Cites per document20076.213
External Cites per document20086.279
External Cites per document20096.208
External Cites per document20106.423
External Cites per document20116.905
External Cites per document20127.600
External Cites per document20138.504
External Cites per document20149.378
External Cites per document20158.598
Cites per document19992.400
Cites per document20002.976
Cites per document20013.651
Cites per document20024.408
Cites per document20035.127
Cites per document20045.671
Cites per document20056.177
Cites per document20066.598
Cites per document20076.552
Cites per document20086.642
Cites per document20096.598
Cites per document20106.751
Cites per document20117.221
Cites per document20127.862
Cites per document20138.914
Cites per document20149.650
Cites per document20158.856
% 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
19994.53
20005.93
20016.54
20028.25
20034.64
20043.07
20056.53
200612.59
200711.41
200813.58
200913.10
201014.54
201119.35
201216.58
201319.30
201411.47
201514.00
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 documents2000466
Non-citable documents2001696
Non-citable documents2002850
Non-citable documents2003909
Non-citable documents2004780
Non-citable documents2005580
Non-citable documents2006404
Non-citable documents2007322
Non-citable documents2008414
Non-citable documents2009532
Non-citable documents2010683
Non-citable documents2011665
Non-citable documents2012581
Non-citable documents2013426
Non-citable documents2014408
Non-citable documents2015429
Citable documents19991535
Citable documents20001633
Citable documents20011660
Citable documents20021654
Citable documents20031493
Citable documents20041349
Citable documents20051195
Citable documents20061146
Citable documents20071172
Citable documents20081211
Citable documents20091214
Citable documents20101164
Citable documents20111097
Citable documents2012968
Citable documents2013842
Citable documents2014731
Citable documents2015687
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 documents1999852
Uncited documents2000830
Uncited documents2001860
Uncited documents2002933
Uncited documents2003788
Uncited documents2004658
Uncited documents2005500
Uncited documents2006384
Uncited documents2007386
Uncited documents2008462
Uncited documents2009567
Uncited documents2010652
Uncited documents2011600
Uncited documents2012541
Uncited documents2013415
Uncited documents2014409
Uncited documents2015440
Cited documents19991135
Cited documents20001269
Cited documents20011496
Cited documents20021571
Cited documents20031614
Cited documents20041471
Cited documents20051275
Cited documents20061166
Cited documents20071108
Cited documents20081163
Cited documents20091179
Cited documents20101195
Cited documents20111162
Cited documents20121008
Cited documents2013853
Cited documents2014730
Cited documents2015676
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