Class information for:
Level 1: MEDLINE//EMBASE//LITERATURE SEARCHING

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
6626 1462 29.7 61%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
1 4 ECONOMICS//EDUCATION & EDUCATIONAL RESEARCH//PSYCHOL 3876184
223 3       MEDICAL INFORMATICS//JOURNAL OF THE AMERICAN MEDICAL INFORMATICS ASSOCIATION//HEALTH CARE SCIENCES & SERVICES 49734
1009 2             EVIDENCE BASED MEDICINE//PUBLICATION BIAS//RESEARCH SYNTHESIS METHODS 10325
6626 1                   MEDLINE//EMBASE//LITERATURE SEARCHING 1462

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 MEDLINE authKW 453686 5% 31% 71
2 EMBASE authKW 294189 1% 78% 18
3 LITERATURE SEARCHING authKW 276176 2% 58% 23
4 BIBLIOGRAPHIC DATABASES authKW 252906 2% 34% 36
5 BIBLIOGRAPHIC authKW 164438 1% 38% 21
6 AMSTAR authKW 141166 1% 52% 13
7 INFORMATION STORAGE AND RETRIEVAL authKW 136060 3% 15% 44
8 COCHRANE COLLABORATION authKW 132156 2% 26% 24
9 SYSTEMATIC REVIEW authKW 129208 20% 2% 289
10 INJURIES SOCIAL AETIOL CONSEQUENCES GRP address 104422 0% 100% 5

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Health Care Sciences & Services 13378 21% 0% 303
2 Information Science & Library Science 4034 8% 0% 124
3 Medical Informatics 3912 6% 0% 95
4 Public, Environmental & Occupational Health 2656 18% 0% 268
5 Medicine, General & Internal 2536 20% 0% 296
6 Integrative & Complementary Medicine 537 2% 0% 36
7 Nursing 527 4% 0% 55
8 Health Policy & Services 476 3% 0% 47
9 Dentistry, Oral Surgery & Medicine 321 4% 0% 62
10 Emergency Medicine 246 2% 0% 28

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 INJURIES SOCIAL AETIOL CONSEQUENCES GRP 104422 0% 100% 5
2 COCHRANE ITALIANO 99499 1% 53% 9
3 HLTH INFORMAT UNIT 89916 2% 15% 28
4 OTTAWA METHODS 73511 1% 27% 13
5 SYSTEMAT REVIEWS HLTH TECHNOL ASSESSMENT 62653 0% 100% 3
6 CHALMERS GRP 56251 1% 17% 16
7 OFF EVIDENCE BASED DENT 46988 0% 75% 3
8 DIRETORIA BRASILIA 41769 0% 100% 2
9 INJURY PREVENT POLICY PRACTICE 41769 0% 100% 2
10 JWS HLTH SCI LIB 41769 0% 100% 2

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 RESEARCH SYNTHESIS METHODS 75406 2% 14% 25
2 HEALTH INFORMATION AND LIBRARIES JOURNAL 72598 3% 9% 38
3 JOURNAL OF CLINICAL EPIDEMIOLOGY 70997 9% 3% 126
4 JOURNAL OF THE MEDICAL LIBRARY ASSOCIATION 35596 2% 5% 34
5 INTERNATIONAL JOURNAL OF TECHNOLOGY ASSESSMENT IN HEALTH CARE 13272 2% 2% 30
6 BMC MEDICAL RESEARCH METHODOLOGY 12747 2% 2% 28
7 EPIDEMIOLOGY AND PSYCHIATRIC SCIENCES 5316 0% 4% 7
8 EVALUATION & THE HEALTH PROFESSIONS 4098 1% 2% 13
9 EVIDENCE & POLICY 2891 0% 3% 5
10 BMJ-BRITISH MEDICAL JOURNAL 2238 2% 0% 27

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 MEDLINE 453686 5% 31% 71 Search MEDLINE Search MEDLINE
2 EMBASE 294189 1% 78% 18 Search EMBASE Search EMBASE
3 LITERATURE SEARCHING 276176 2% 58% 23 Search LITERATURE+SEARCHING Search LITERATURE+SEARCHING
4 BIBLIOGRAPHIC DATABASES 252906 2% 34% 36 Search BIBLIOGRAPHIC+DATABASES Search BIBLIOGRAPHIC+DATABASES
5 BIBLIOGRAPHIC 164438 1% 38% 21 Search BIBLIOGRAPHIC Search BIBLIOGRAPHIC
6 AMSTAR 141166 1% 52% 13 Search AMSTAR Search AMSTAR
7 INFORMATION STORAGE AND RETRIEVAL 136060 3% 15% 44 Search INFORMATION+STORAGE+AND+RETRIEVAL Search INFORMATION+STORAGE+AND+RETRIEVAL
8 COCHRANE COLLABORATION 132156 2% 26% 24 Search COCHRANE+COLLABORATION Search COCHRANE+COLLABORATION
9 SYSTEMATIC REVIEW 129208 20% 2% 289 Search SYSTEMATIC+REVIEW Search SYSTEMATIC+REVIEW
10 METHODOLOGICAL FILTERS 104422 0% 100% 5 Search METHODOLOGICAL+FILTERS Search METHODOLOGICAL+FILTERS

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 MOHER, D , LIBERATI, A , TETZLAFF, J , ALTMAN, DG , (2009) PREFERRED REPORTING ITEMS FOR SYSTEMATIC REVIEWS AND META-ANALYSES: THE PRISMA STATEMENT.ANNALS OF INTERNAL MEDICINE. VOL. 151. ISSUE 4. P. 264 -W64 14 54% 3395
2 KOFFEL, JB , (2015) USE OF RECOMMENDED SEARCH STRATEGIES IN SYSTEMATIC REVIEWS AND THE IMPACT OF LIBRARIAN INVOLVEMENT: A CROSS-SECTIONAL SURVEY OF RECENT AUTHORS.PLOS ONE. VOL. 10. ISSUE 5. P. - 32 86% 3
3 RETHLEFSEN, ML , FARRELL, AM , TRZASKO, LCO , BRIGHAM, TJ , (2015) LIBRARIAN CO-AUTHORS CORRELATED WITH HIGHER QUALITY REPORTED SEARCH STRATEGIES IN GENERAL INTERNAL MEDICINE SYSTEMATIC REVIEWS.JOURNAL OF CLINICAL EPIDEMIOLOGY. VOL. 68. ISSUE 6. P. 617 -626 26 93% 12
4 MOHER, D , LIBERATI, A , TETZLAFF, J , ALTMAN, DG , (2009) PREFERRED REPORTING ITEMS FOR SYSTEMATIC REVIEWS AND META-ANALYSES: THE PRISMA STATEMENT.PLOS MEDICINE. VOL. 6. ISSUE 7. P. - 14 54% 2797
5 AAGAARD, T , LUND, H , JUHL, C , (2016) OPTIMIZING LITERATURE SEARCH IN SYSTEMATIC REVIEWS - ARE MEDLINE, EMBASE AND CENTRAL ENOUGH FOR IDENTIFYING EFFECT STUDIES WITHIN THE AREA OF MUSCULOSKELETAL DISORDERS?.BMC MEDICAL RESEARCH METHODOLOGY. VOL. 16. ISSUE . P. - 32 82% 0
6 MOHER, D , LIBERATI, A , TETZLAFF, J , ALTMAN, DG , (2009) PREFERRED REPORTING ITEMS FOR SYSTEMATIC REVIEWS AND META-ANALYSES: THE PRISMA STATEMENT.BMJ-BRITISH MEDICAL JOURNAL. VOL. 339. ISSUE . P. - 14 54% 2555
7 GOLDER, S , LOKE, YK , ZORZELA, L , (2014) COMPARISON OF SEARCH STRATEGIES IN SYSTEMATIC REVIEWS OF ADVERSE EFFECTS TO OTHER SYSTEMATIC REVIEWS.HEALTH INFORMATION AND LIBRARIES JOURNAL. VOL. 31. ISSUE 2. P. 92-105 33 73% 6
8 SHAMSEER, L , MOHER, D , CLARKE, M , GHERSI, D , LIBERATI, A , PETTICREW, M , SHEKELLE, P , STEWART, LA , (2015) PREFERRED REPORTING ITEMS FOR SYSTEMATIC REVIEW AND META-ANALYSIS PROTOCOLS (PRISMA-P) 2015: ELABORATION AND EXPLANATION.BMJ-BRITISH MEDICAL JOURNAL. VOL. 349. ISSUE . P. - 27 28% 234
9 GOLDER, S , LOKE, YK , ZORZELA, L , (2013) SOME IMPROVEMENTS ARE APPARENT IN IDENTIFYING ADVERSE EFFECTS IN SYSTEMATIC REVIEWS FROM 1994 TO 2011.JOURNAL OF CLINICAL EPIDEMIOLOGY. VOL. 66. ISSUE 3. P. 253 -260 32 74% 6
10 MANCHIKANTI, L , BENYAMIN, R , HELM, S , HIRSCH, JA , (2009) EVIDENCE-BASED MEDICINE, SYSTEMATIC REVIEWS, AND GUIDELINES IN INTERVENTIONAL PAIN MANAGEMENT: PART 3: SYSTEMATIC REVIEWS AND META-ANALYSES OF RANDOMIZED TRIALS.PAIN PHYSICIAN. VOL. 12. ISSUE 1. P. 35 -72 60 37% 87

Classes with closest relation at Level 1


Rank Class id link
1 3559 CONSORT//REPORTING QUALITY//CONSORT STATEMENT
2 23044 META SYNTHESIS//QUALITATIVE METASYNTHESIS//META ETHNOGRAPHY
3 11204 PUBLICATION RATE//PUBLICATION BIAS//MEETING ABSTRACTS
4 7043 RESEARCH SYNTHESIS METHODS//MIXED TREATMENT COMPARISON//NETWORK META ANALYSIS
5 5308 BULLETIN OF THE MEDICAL LIBRARY ASSOCIATION//JOURNAL OF THE MEDICAL LIBRARY ASSOCIATION//HEALTH INFORMATION AND LIBRARIES JOURNAL
6 32929 EVIDENCE BASED VETERINARY MEDICINE//KOREAMED//ANIM HLTH INFORMAT
7 13048 SUMMARY ROC CURVE//EVIDENCE BASED RADIOLOGY//DIAGNOSTIC ACCURACY STUDY
8 11112 JOURNAL CLUB//EVIDENCE BASED MEDICINE//EVIDENCE BASED PRACTICE
9 36325 ACETIL SALICILIC ACID//AGENCIA EVALUAT TECNOL SANITARIAS//BERTHA HARMER
10 4689 CLINICAL PRACTICE GUIDELINES//GUIDELINE DEVELOPMENT//PRACTICE GUIDELINES

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