Scimago Journal & Country Rank

NCHS data brief

Country United States  - SIR icon SIR Ranking of United States
H Index
Subject Area and CategoryMedicine
Medicine (miscellaneous)
PublisherU.S. National Center for Health Statistics
Publication typeJournals
ISSN19414927, 19414935
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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.

Medicine (miscellaneous)2008Q3
Medicine (miscellaneous)2009Q1
Medicine (miscellaneous)2010Q1
Medicine (miscellaneous)2011Q1
Medicine (miscellaneous)2012Q1
Medicine (miscellaneous)2013Q1
Medicine (miscellaneous)2014Q1
Medicine (miscellaneous)2015Q1
Medicine (miscellaneous)2016Q1
Medicine (miscellaneous)2017Q1

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.

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)20070.000
Cites / Doc. (4 years)20081.500
Cites / Doc. (4 years)20093.909
Cites / Doc. (4 years)20106.115
Cites / Doc. (4 years)20116.472
Cites / Doc. (4 years)20126.526
Cites / Doc. (4 years)20138.680
Cites / Doc. (4 years)201411.474
Cites / Doc. (4 years)20159.824
Cites / Doc. (4 years)20168.215
Cites / Doc. (4 years)20177.929
Cites / Doc. (3 years)20070.000
Cites / Doc. (3 years)20081.500
Cites / Doc. (3 years)20093.909
Cites / Doc. (3 years)20106.115
Cites / Doc. (3 years)20116.078
Cites / Doc. (3 years)20126.145
Cites / Doc. (3 years)20138.918
Cites / Doc. (3 years)201412.425
Cites / Doc. (3 years)20159.755
Cites / Doc. (3 years)20166.949
Cites / Doc. (3 years)20177.357
Cites / Doc. (2 years)20070.000
Cites / Doc. (2 years)20081.500
Cites / Doc. (2 years)20093.909
Cites / Doc. (2 years)20104.583
Cites / Doc. (2 years)20115.190
Cites / Doc. (2 years)20126.000
Cites / Doc. (2 years)20139.603
Cites / Doc. (2 years)201413.450
Cites / Doc. (2 years)20156.925
Cites / Doc. (2 years)20165.955
Cites / Doc. (2 years)20177.500
Total 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.

Self Cites20070
Self Cites20080
Self Cites20090
Self Cites20100
Self Cites20110
Self Cites20120
Self Cites20130
Self Cites20140
Self Cites20150
Self Cites20160
Self Cites20170
Total Cites20070
Total Cites20083
Total Cites200943
Total Cites2010159
Total Cites2011310
Total Cites2012424
Total Cites2013758
Total Cites20141081
Total Cites2015956
Total Cites2016820
Total Cites2017927
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.

External Cites per document20070
External Cites per document20081.500
External Cites per document20093.909
External Cites per document20106.115
External Cites per document20116.078
External Cites per document20126.145
External Cites per document20138.918
External Cites per document201412.425
External Cites per document20159.755
External Cites per document20166.949
External Cites per document20177.357
Cites per document20070.000
Cites per document20081.500
Cites per document20093.909
Cites per document20106.115
Cites per document20116.078
Cites per document20126.145
Cites per document20138.918
Cites per document201412.425
Cites per document20159.755
Cites per document20166.949
Cites per document20177.357
% 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
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.

Non-citable documents20070
Non-citable documents20080
Non-citable documents20090
Non-citable documents20100
Non-citable documents20110
Non-citable documents20120
Non-citable documents20130
Non-citable documents20140
Non-citable documents20150
Non-citable documents20160
Non-citable documents20170
Citable documents20070
Citable documents20082
Citable documents200911
Citable documents201026
Citable documents201151
Citable documents201269
Citable documents201385
Citable documents201487
Citable documents201598
Citable documents2016118
Citable documents2017126
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.

Uncited documents20070
Uncited documents20081
Uncited documents20091
Uncited documents20103
Uncited documents20115
Uncited documents20129
Uncited documents201311
Uncited documents20149
Uncited documents201511
Uncited documents201623
Uncited documents201722
Cited documents20070
Cited documents20081
Cited documents200910
Cited documents201023
Cited documents201146
Cited documents201260
Cited documents201374
Cited documents201478
Cited documents201587
Cited documents201695
Cited documents2017104
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