Technology and Health Care

Technology and Health Care is intended to serve as a forum for the presentation of original articles and technical notes, observing rigorous scientific standards. Furthermore, upon invitation, reviews, tutorials, discussion papers and minisymposia are featured. The main focus of THC is related to the overlapping areas of engineering and medicine. The following types of contributions are considered: 1.Original articles: New concepts, procedures and devices associated with the use of technology in medical research and clinical practice are presented to a readership with a widespread background in engineering and/or medicine. In particular, the clinical benefit deriving from the application of engineering methods and devices in clinical medicine should be demonstrated. Typically, full length original contributions have a length of 4000 words, thereby taking duly into account figures and tables. 2.Technical Notes and Short Communications: Technical Notes relate to novel technical developments with relevance for clinical medicine. In Short Communications, clinical applications are shortly described. 3.Both Technical Notes and Short Communications typically have a length of 1500 words. Reviews and Tutorials (upon invitation only): Tutorial and educational articles for persons with a primarily medical background on principles of engineering with particular significance for biomedical applications and vice versa are presented. The Editorial Board is responsible for the selection of topics. 4.Minisymposia (upon invitation only): Under the leadership of a Special Editor, controversial or important issues relating to health care are highlighted and discussed by various authors. 5.Letters to the Editors: Discussions or short statements (not indexed).

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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
Bioengineering	1999	Q4
Bioengineering	2000	Q3
Bioengineering	2001	Q3
Bioengineering	2002	Q4
Bioengineering	2003	Q4
Bioengineering	2004	Q4
Bioengineering	2005	Q4
Bioengineering	2006	Q4
Bioengineering	2007	Q4
Bioengineering	2008	Q4
Bioengineering	2009	Q4
Bioengineering	2010	Q3
Bioengineering	2011	Q3
Bioengineering	2012	Q3
Bioengineering	2013	Q3
Bioengineering	2014	Q3
Bioengineering	2015	Q3
Bioengineering	2016	Q3
Bioengineering	2017	Q3
Bioengineering	2018	Q3
Bioengineering	2019	Q4
Bioengineering	2020	Q4
Bioengineering	2021	Q4
Biomaterials	1999	Q4
Biomaterials	2000	Q3
Biomaterials	2001	Q3
Biomaterials	2002	Q4
Biomaterials	2003	Q4
Biomaterials	2004	Q4
Biomaterials	2005	Q4
Biomaterials	2006	Q4
Biomaterials	2007	Q4
Biomaterials	2008	Q4
Biomaterials	2009	Q4
Biomaterials	2010	Q3
Biomaterials	2011	Q4
Biomaterials	2012	Q4
Biomaterials	2013	Q4
Biomaterials	2014	Q4
Biomaterials	2015	Q4
Biomaterials	2016	Q4
Biomaterials	2017	Q4
Biomaterials	2018	Q4
Biomaterials	2019	Q4
Biomaterials	2020	Q4
Biomaterials	2021	Q4
Biomedical Engineering	1999	Q4
Biomedical Engineering	2000	Q3
Biomedical Engineering	2001	Q3
Biomedical Engineering	2002	Q4
Biomedical Engineering	2003	Q4
Biomedical Engineering	2004	Q4
Biomedical Engineering	2005	Q4
Biomedical Engineering	2006	Q4
Biomedical Engineering	2007	Q4
Biomedical Engineering	2008	Q3
Biomedical Engineering	2009	Q3
Biomedical Engineering	2010	Q3
Biomedical Engineering	2011	Q3
Biomedical Engineering	2012	Q3
Biomedical Engineering	2013	Q3
Biomedical Engineering	2014	Q3
Biomedical Engineering	2015	Q3
Biomedical Engineering	2016	Q3
Biomedical Engineering	2017	Q3
Biomedical Engineering	2018	Q3
Biomedical Engineering	2019	Q3
Biomedical Engineering	2020	Q4
Biomedical Engineering	2021	Q4
Biophysics	1999	Q4
Biophysics	2000	Q3
Biophysics	2001	Q3
Biophysics	2002	Q4
Biophysics	2003	Q4
Biophysics	2004	Q4
Biophysics	2005	Q4
Biophysics	2006	Q4
Biophysics	2007	Q4
Biophysics	2008	Q4
Biophysics	2009	Q3
Biophysics	2010	Q3
Biophysics	2011	Q3
Biophysics	2012	Q4
Biophysics	2013	Q4
Biophysics	2014	Q4
Biophysics	2015	Q4
Biophysics	2016	Q3
Biophysics	2017	Q3
Biophysics	2018	Q3
Biophysics	2019	Q4
Biophysics	2020	Q4
Biophysics	2021	Q4
Health Informatics	1999	Q4
Health Informatics	2000	Q3
Health Informatics	2001	Q2
Health Informatics	2002	Q4
Health Informatics	2003	Q4
Health Informatics	2004	Q4
Health Informatics	2005	Q4
Health Informatics	2006	Q4
Health Informatics	2007	Q4
Health Informatics	2008	Q4
Health Informatics	2009	Q3
Health Informatics	2010	Q3
Health Informatics	2011	Q3
Health Informatics	2012	Q3
Health Informatics	2013	Q3
Health Informatics	2014	Q3
Health Informatics	2015	Q3
Health Informatics	2016	Q3
Health Informatics	2017	Q3
Health Informatics	2018	Q3
Health Informatics	2019	Q3
Health Informatics	2020	Q4
Health Informatics	2021	Q4
Information Systems	1999	Q4
Information Systems	2000	Q3
Information Systems	2001	Q3
Information Systems	2002	Q4
Information Systems	2003	Q4
Information Systems	2004	Q4
Information Systems	2005	Q4
Information Systems	2006	Q4
Information Systems	2007	Q4
Information Systems	2008	Q3
Information Systems	2009	Q3
Information Systems	2010	Q2
Information Systems	2011	Q3
Information Systems	2012	Q3
Information Systems	2013	Q3
Information Systems	2014	Q3
Information Systems	2015	Q3
Information Systems	2016	Q3
Information Systems	2017	Q3
Information Systems	2018	Q3
Information Systems	2019	Q3
Information Systems	2020	Q3
Information Systems	2021	Q4
Medicine (miscellaneous)	1999	Q2
Medicine (miscellaneous)	2000	Q2
Medicine (miscellaneous)	2001	Q2
Medicine (miscellaneous)	2002	Q3
Medicine (miscellaneous)	2003	Q3
Medicine (miscellaneous)	2004	Q3
Medicine (miscellaneous)	2005	Q3
Medicine (miscellaneous)	2006	Q3
Medicine (miscellaneous)	2007	Q3
Medicine (miscellaneous)	2008	Q3
Medicine (miscellaneous)	2009	Q3
Medicine (miscellaneous)	2010	Q2
Medicine (miscellaneous)	2011	Q3
Medicine (miscellaneous)	2012	Q3
Medicine (miscellaneous)	2013	Q3
Medicine (miscellaneous)	2014	Q3
Medicine (miscellaneous)	2015	Q3
Medicine (miscellaneous)	2016	Q3
Medicine (miscellaneous)	2017	Q3
Medicine (miscellaneous)	2018	Q3
Medicine (miscellaneous)	2019	Q3
Medicine (miscellaneous)	2020	Q3
Medicine (miscellaneous)	2021	Q4

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	0.151
2000	0.267
2001	0.394
2002	0.146
2003	0.144
2004	0.144
2005	0.160
2006	0.165
2007	0.160
2008	0.225
2009	0.308
2010	0.406
2011	0.289
2012	0.263
2013	0.292
2014	0.313
2015	0.293
2016	0.268
2017	0.279
2018	0.268
2019	0.247
2020	0.281
2021	0.243

Total Documents

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

Year	Documents
1999	46
2000	26
2001	14
2002	71
2003	29
2004	28
2005	94
2006	59
2007	31
2008	46
2009	39
2010	45
2011	47
2012	51
2013	62
2014	92
2015	216
2016	156
2017	165
2018	165
2019	101
2020	125
2021	171

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	0.301
Cites / Doc. (4 years)	2000	0.676
Cites / Doc. (4 years)	2001	1.179
Cites / Doc. (4 years)	2002	0.748
Cites / Doc. (4 years)	2003	0.497
Cites / Doc. (4 years)	2004	0.414
Cites / Doc. (4 years)	2005	0.451
Cites / Doc. (4 years)	2006	0.396
Cites / Doc. (4 years)	2007	0.457
Cites / Doc. (4 years)	2008	0.741
Cites / Doc. (4 years)	2009	0.770
Cites / Doc. (4 years)	2010	1.337
Cites / Doc. (4 years)	2011	1.280
Cites / Doc. (4 years)	2012	1.051
Cites / Doc. (4 years)	2013	1.220
Cites / Doc. (4 years)	2014	1.102
Cites / Doc. (4 years)	2015	0.964
Cites / Doc. (4 years)	2016	0.912
Cites / Doc. (4 years)	2017	0.973
Cites / Doc. (4 years)	2018	0.955
Cites / Doc. (4 years)	2019	1.080
Cites / Doc. (4 years)	2020	1.269
Cites / Doc. (4 years)	2021	1.608
Cites / Doc. (3 years)	1999	0.301
Cites / Doc. (3 years)	2000	0.731
Cites / Doc. (3 years)	2001	1.145
Cites / Doc. (3 years)	2002	0.465
Cites / Doc. (3 years)	2003	0.414
Cites / Doc. (3 years)	2004	0.325
Cites / Doc. (3 years)	2005	0.469
Cites / Doc. (3 years)	2006	0.384
Cites / Doc. (3 years)	2007	0.425
Cites / Doc. (3 years)	2008	0.641
Cites / Doc. (3 years)	2009	1.066
Cites / Doc. (3 years)	2010	1.414
Cites / Doc. (3 years)	2011	1.092
Cites / Doc. (3 years)	2012	1.076
Cites / Doc. (3 years)	2013	0.972
Cites / Doc. (3 years)	2014	1.006
Cites / Doc. (3 years)	2015	0.961
Cites / Doc. (3 years)	2016	0.889
Cites / Doc. (3 years)	2017	0.922
Cites / Doc. (3 years)	2018	0.929
Cites / Doc. (3 years)	2019	1.111
Cites / Doc. (3 years)	2020	1.320
Cites / Doc. (3 years)	2021	1.430
Cites / Doc. (2 years)	1999	0.286
Cites / Doc. (2 years)	2000	0.725
Cites / Doc. (2 years)	2001	0.639
Cites / Doc. (2 years)	2002	0.400
Cites / Doc. (2 years)	2003	0.259
Cites / Doc. (2 years)	2004	0.350
Cites / Doc. (2 years)	2005	0.684
Cites / Doc. (2 years)	2006	0.320
Cites / Doc. (2 years)	2007	0.399
Cites / Doc. (2 years)	2008	0.878
Cites / Doc. (2 years)	2009	1.039
Cites / Doc. (2 years)	2010	1.071
Cites / Doc. (2 years)	2011	1.131
Cites / Doc. (2 years)	2012	0.837
Cites / Doc. (2 years)	2013	0.867
Cites / Doc. (2 years)	2014	1.053
Cites / Doc. (2 years)	2015	0.981
Cites / Doc. (2 years)	2016	0.718
Cites / Doc. (2 years)	2017	0.887
Cites / Doc. (2 years)	2018	0.903
Cites / Doc. (2 years)	2019	1.015
Cites / Doc. (2 years)	2020	1.338
Cites / Doc. (2 years)	2021	1.190

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	0
Self Cites	2000	2
Self Cites	2001	3
Self Cites	2002	1
Self Cites	2003	1
Self Cites	2004	1
Self Cites	2005	2
Self Cites	2006	5
Self Cites	2007	3
Self Cites	2008	2
Self Cites	2009	6
Self Cites	2010	5
Self Cites	2011	5
Self Cites	2012	6
Self Cites	2013	8
Self Cites	2014	12
Self Cites	2015	6
Self Cites	2016	38
Self Cites	2017	27
Self Cites	2018	7
Self Cites	2019	11
Self Cites	2020	13
Self Cites	2021	28
Total Cites	1999	41
Total Cites	2000	95
Total Cites	2001	134
Total Cites	2002	40
Total Cites	2003	46
Total Cites	2004	37
Total Cites	2005	60
Total Cites	2006	58
Total Cites	2007	77
Total Cites	2008	118
Total Cites	2009	145
Total Cites	2010	164
Total Cites	2011	142
Total Cites	2012	141
Total Cites	2013	139
Total Cites	2014	161
Total Cites	2015	197
Total Cites	2016	329
Total Cites	2017	428
Total Cites	2018	499
Total Cites	2019	540
Total Cites	2020	569
Total Cites	2021	559

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	0.313
External Cites per document	2000	0.750
External Cites per document	2001	1.170
External Cites per document	2002	0.464
External Cites per document	2003	0.409
External Cites per document	2004	0.319
External Cites per document	2005	0.457
External Cites per document	2006	0.353
External Cites per document	2007	0.411
External Cites per document	2008	0.634
External Cites per document	2009	1.069
External Cites per document	2010	1.472
External Cites per document	2011	1.171
External Cites per document	2012	1.134
External Cites per document	2013	1.008
External Cites per document	2014	0.987
External Cites per document	2015	0.950
External Cites per document	2016	0.802
External Cites per document	2017	0.885
External Cites per document	2018	0.944
External Cites per document	2019	1.123
External Cites per document	2020	1.333
External Cites per document	2021	1.397
Cites per document	1999	0.301
Cites per document	2000	0.731
Cites per document	2001	1.145
Cites per document	2002	0.465
Cites per document	2003	0.414
Cites per document	2004	0.325
Cites per document	2005	0.469
Cites per document	2006	0.384
Cites per document	2007	0.425
Cites per document	2008	0.641
Cites per document	2009	1.066
Cites per document	2010	1.414
Cites per document	2011	1.092
Cites per document	2012	1.076
Cites per document	2013	0.972
Cites per document	2014	1.006
Cites per document	2015	0.961
Cites per document	2016	0.889
Cites per document	2017	0.922
Cites per document	2018	0.929
Cites per document	2019	1.111
Cites per document	2020	1.320
Cites per document	2021	1.430

% 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	0.00
2000	3.85
2001	28.57
2002	0.00
2003	24.14
2004	17.86
2005	10.64
2006	23.73
2007	29.03
2008	32.61
2009	30.77
2010	28.89
2011	17.02
2012	27.45
2013	19.35
2014	20.65
2015	15.28
2016	19.23
2017	15.76
2018	15.76
2019	13.86
2020	20.80
2021	25.15

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	5
Non-citable documents	2000	6
Non-citable documents	2001	5
Non-citable documents	2002	2
Non-citable documents	2003	1
Non-citable documents	2004	1
Non-citable documents	2005	1
Non-citable documents	2006	1
Non-citable documents	2007	1
Non-citable documents	2008	1
Non-citable documents	2009	6
Non-citable documents	2010	8
Non-citable documents	2011	13
Non-citable documents	2012	12
Non-citable documents	2013	13
Non-citable documents	2014	9
Non-citable documents	2015	4
Non-citable documents	2016	7
Non-citable documents	2017	11
Non-citable documents	2018	16
Non-citable documents	2019	15
Non-citable documents	2020	14
Non-citable documents	2021	11
Citable documents	1999	131
Citable documents	2000	124
Citable documents	2001	112
Citable documents	2002	84
Citable documents	2003	110
Citable documents	2004	113
Citable documents	2005	127
Citable documents	2006	150
Citable documents	2007	180
Citable documents	2008	183
Citable documents	2009	130
Citable documents	2010	108
Citable documents	2011	117
Citable documents	2012	119
Citable documents	2013	130
Citable documents	2014	151
Citable documents	2015	201
Citable documents	2016	363
Citable documents	2017	453
Citable documents	2018	521
Citable documents	2019	471
Citable documents	2020	417
Citable documents	2021	380

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	110
Uncited documents	2000	81
Uncited documents	2001	59
Uncited documents	2002	58
Uncited documents	2003	82
Uncited documents	2004	89
Uncited documents	2005	91
Uncited documents	2006	118
Uncited documents	2007	142
Uncited documents	2008	126
Uncited documents	2009	70
Uncited documents	2010	57
Uncited documents	2011	79
Uncited documents	2012	72
Uncited documents	2013	81
Uncited documents	2014	85
Uncited documents	2015	104
Uncited documents	2016	197
Uncited documents	2017	240
Uncited documents	2018	288
Uncited documents	2019	245
Uncited documents	2020	199
Uncited documents	2021	179
Cited documents	1999	26
Cited documents	2000	49
Cited documents	2001	58
Cited documents	2002	28
Cited documents	2003	29
Cited documents	2004	25
Cited documents	2005	37
Cited documents	2006	33
Cited documents	2007	39
Cited documents	2008	58
Cited documents	2009	66
Cited documents	2010	59
Cited documents	2011	51
Cited documents	2012	59
Cited documents	2013	62
Cited documents	2014	75
Cited documents	2015	101
Cited documents	2016	173
Cited documents	2017	224
Cited documents	2018	249
Cited documents	2019	241
Cited documents	2020	232
Cited documents	2021	212