Statistical Methods in Medical Research

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.

Category	Year	Quartile
Epidemiology	1997	Q4
Epidemiology	1998	Q3
Epidemiology	1999	Q3
Epidemiology	2000	Q2
Epidemiology	2001	Q2
Epidemiology	2002	Q2
Epidemiology	2003	Q2
Epidemiology	2004	Q2
Epidemiology	2005	Q2
Epidemiology	2006	Q3
Epidemiology	2007	Q2
Epidemiology	2008	Q1
Epidemiology	2009	Q2
Epidemiology	2010	Q2
Epidemiology	2011	Q1
Epidemiology	2012	Q2
Epidemiology	2013	Q2
Epidemiology	2014	Q1
Epidemiology	2015	Q1
Epidemiology	2016	Q1
Health Information Management	1997	Q2
Health Information Management	1998	Q1
Health Information Management	1999	Q1
Health Information Management	2000	Q1
Health Information Management	2001	Q1
Health Information Management	2002	Q1
Health Information Management	2003	Q1
Health Information Management	2004	Q2
Health Information Management	2005	Q1
Health Information Management	2006	Q2
Health Information Management	2007	Q1
Health Information Management	2008	Q1
Health Information Management	2009	Q1
Health Information Management	2010	Q1
Health Information Management	2011	Q1
Health Information Management	2012	Q1
Health Information Management	2013	Q1
Health Information Management	2014	Q1
Health Information Management	2015	Q1
Health Information Management	2016	Q1
Statistics and Probability	1997	Q3
Statistics and Probability	1998	Q3
Statistics and Probability	1999	Q3
Statistics and Probability	2000	Q2
Statistics and Probability	2001	Q2
Statistics and Probability	2002	Q2
Statistics and Probability	2003	Q3
Statistics and Probability	2004	Q2
Statistics and Probability	2005	Q2
Statistics and Probability	2006	Q3
Statistics and Probability	2007	Q2
Statistics and Probability	2008	Q1
Statistics and Probability	2009	Q2
Statistics and Probability	2010	Q1
Statistics and Probability	2011	Q1
Statistics and Probability	2012	Q2
Statistics and Probability	2013	Q1
Statistics and Probability	2014	Q1
Statistics and Probability	2015	Q1
Statistics and Probability	2016	Q1

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.

Year	SJR
1999	0.572
2000	0.892
2001	1.102
2002	1.069
2003	0.687
2004	1.031
2005	1.029
2006	0.492
2007	0.903
2008	1.704
2009	1.364
2010	1.518
2011	1.695
2012	1.107
2013	1.398
2014	2.483
2015	2.440
2016	2.632

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 document	Year	Value
Cites / Doc. (4 years)	1999	1.208
Cites / Doc. (4 years)	2000	1.592
Cites / Doc. (4 years)	2001	2.200
Cites / Doc. (4 years)	2002	2.404
Cites / Doc. (4 years)	2003	2.333
Cites / Doc. (4 years)	2004	1.823
Cites / Doc. (4 years)	2005	2.185
Cites / Doc. (4 years)	2006	2.289
Cites / Doc. (4 years)	2007	2.079
Cites / Doc. (4 years)	2008	2.600
Cites / Doc. (4 years)	2009	2.539
Cites / Doc. (4 years)	2010	2.562
Cites / Doc. (4 years)	2011	3.365
Cites / Doc. (4 years)	2012	2.741
Cites / Doc. (4 years)	2013	2.144
Cites / Doc. (4 years)	2014	2.746
Cites / Doc. (4 years)	2015	2.424
Cites / Doc. (4 years)	2016	2.919
Cites / Doc. (3 years)	1999	1.208
Cites / Doc. (3 years)	2000	1.491
Cites / Doc. (3 years)	2001	2.239
Cites / Doc. (3 years)	2002	2.357
Cites / Doc. (3 years)	2003	1.253
Cites / Doc. (3 years)	2004	1.699
Cites / Doc. (3 years)	2005	2.000
Cites / Doc. (3 years)	2006	1.873
Cites / Doc. (3 years)	2007	1.716
Cites / Doc. (3 years)	2008	2.578
Cites / Doc. (3 years)	2009	2.390
Cites / Doc. (3 years)	2010	2.505
Cites / Doc. (3 years)	2011	3.061
Cites / Doc. (3 years)	2012	2.227
Cites / Doc. (3 years)	2013	1.769
Cites / Doc. (3 years)	2014	2.529
Cites / Doc. (3 years)	2015	2.787
Cites / Doc. (3 years)	2016	2.888
Cites / Doc. (2 years)	1999	1.108
Cites / Doc. (2 years)	2000	1.676
Cites / Doc. (2 years)	2001	1.958
Cites / Doc. (2 years)	2002	1.385
Cites / Doc. (2 years)	2003	0.895
Cites / Doc. (2 years)	2004	1.639
Cites / Doc. (2 years)	2005	1.451
Cites / Doc. (2 years)	2006	1.566
Cites / Doc. (2 years)	2007	1.619
Cites / Doc. (2 years)	2008	2.129
Cites / Doc. (2 years)	2009	2.338
Cites / Doc. (2 years)	2010	1.750
Cites / Doc. (2 years)	2011	2.672
Cites / Doc. (2 years)	2012	1.881
Cites / Doc. (2 years)	2013	1.192
Cites / Doc. (2 years)	2014	2.961
Cites / Doc. (2 years)	2015	3.164
Cites / Doc. (2 years)	2016	1.842

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.

Cites	Year	Value
Self Cites	1999	8
Self Cites	2000	1
Self Cites	2001	16
Self Cites	2002	5
Self Cites	2003	5
Self Cites	2004	1
Self Cites	2005	2
Self Cites	2006	6
Self Cites	2007	3
Self Cites	2008	9
Self Cites	2009	1
Self Cites	2010	7
Self Cites	2011	3
Self Cites	2012	7
Self Cites	2013	6
Self Cites	2014	8
Self Cites	2015	5
Self Cites	2016	10
Total Cites	1999	64
Total Cites	2000	82
Total Cites	2001	150
Total Cites	2002	165
Total Cites	2003	109
Total Cites	2004	141
Total Cites	2005	172
Total Cites	2006	148
Total Cites	2007	151
Total Cites	2008	232
Total Cites	2009	239
Total Cites	2010	238
Total Cites	2011	303
Total Cites	2012	216
Total Cites	2013	230
Total Cites	2014	349
Total Cites	2015	379
Total Cites	2016	387

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.

Cites	Year	Value
External Cites per document	1999	1.057
External Cites per document	2000	1.473
External Cites per document	2001	2.000
External Cites per document	2002	2.286
External Cites per document	2003	1.195
External Cites per document	2004	1.687
External Cites per document	2005	1.977
External Cites per document	2006	1.797
External Cites per document	2007	1.682
External Cites per document	2008	2.478
External Cites per document	2009	2.380
External Cites per document	2010	2.432
External Cites per document	2011	3.030
External Cites per document	2012	2.155
External Cites per document	2013	1.723
External Cites per document	2014	2.471
External Cites per document	2015	2.750
External Cites per document	2016	2.813
Cites per document	1999	1.208
Cites per document	2000	1.491
Cites per document	2001	2.239
Cites per document	2002	2.357
Cites per document	2003	1.253
Cites per document	2004	1.699
Cites per document	2005	2.000
Cites per document	2006	1.873
Cites per document	2007	1.716
Cites per document	2008	2.578
Cites per document	2009	2.390
Cites per document	2010	2.505
Cites per document	2011	3.061
Cites per document	2012	2.227
Cites per document	2013	1.769
Cites per document	2014	2.529
Cites per document	2015	2.787
Cites per document	2016	2.888

% 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.

Year	International Collaboration
1999	13.64
2000	0.00
2001	0.00
2002	5.00
2003	13.79
2004	17.24
2005	17.14
2006	20.51
2007	0.00
2008	21.95
2009	15.79
2010	18.92
2011	19.15
2012	19.23
2013	30.23
2014	26.83
2015	29.69
2016	35.62

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.

Documents	Year	Value
Non-citable documents	1999	12
Non-citable documents	2000	12
Non-citable documents	2001	14
Non-citable documents	2002	15
Non-citable documents	2003	16
Non-citable documents	2004	13
Non-citable documents	2005	12
Non-citable documents	2006	14
Non-citable documents	2007	15
Non-citable documents	2008	14
Non-citable documents	2009	10
Non-citable documents	2010	14
Non-citable documents	2011	17
Non-citable documents	2012	25
Non-citable documents	2013	32
Non-citable documents	2014	30
Non-citable documents	2015	26
Non-citable documents	2016	14
Citable documents	1999	53
Citable documents	2000	55
Citable documents	2001	67
Citable documents	2002	70
Citable documents	2003	87
Citable documents	2004	83
Citable documents	2005	86
Citable documents	2006	79
Citable documents	2007	88
Citable documents	2008	90
Citable documents	2009	100
Citable documents	2010	95
Citable documents	2011	99
Citable documents	2012	97
Citable documents	2013	130
Citable documents	2014	138
Citable documents	2015	136
Citable documents	2016	134

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.

Documents	Year	Value
Uncited documents	1999	33
Uncited documents	2000	31
Uncited documents	2001	38
Uncited documents	2002	42
Uncited documents	2003	53
Uncited documents	2004	42
Uncited documents	2005	42
Uncited documents	2006	42
Uncited documents	2007	45
Uncited documents	2008	44
Uncited documents	2009	48
Uncited documents	2010	38
Uncited documents	2011	33
Uncited documents	2012	55
Uncited documents	2013	98
Uncited documents	2014	91
Uncited documents	2015	81
Uncited documents	2016	65
Cited documents	1999	32
Cited documents	2000	36
Cited documents	2001	43
Cited documents	2002	43
Cited documents	2003	50
Cited documents	2004	54
Cited documents	2005	56
Cited documents	2006	51
Cited documents	2007	58
Cited documents	2008	60
Cited documents	2009	62
Cited documents	2010	71
Cited documents	2011	83
Cited documents	2012	67
Cited documents	2013	64
Cited documents	2014	77
Cited documents	2015	81
Cited documents	2016	83

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Country	United States	62 H Index
Subject Area and Category	Health Professions Health Information Management Mathematics Statistics and Probability Medicine Epidemiology
Publisher	SAGE Publications
Publication type	Journals
ISSN	09622802
Coverage	1992-ongoing
Scope	Statistical Methods in Medical Research is a highly ranked, peer reviewed scholarly journal and is the leading vehicle for review articles in all the main areas of medical statistics and therefore an essential reference for all medical statisticians. It is particularly useful for medical researchers dealing with data and provides a key resource for medical and statistical libraries, as well as pharmaceutical companies. This unique journal is devoted solely to statistics and medicine and aims to keep professionals abreast of the many powerful statistical techniques now available to the medical profession. (source)