This document summarizes a presentation given by Ian Crowlesmith on April 23, 2014 about the content and coverage of Embase. The presentation covered several key areas: 1) the scope and journal coverage of Embase, including the number of journals indexed and differences from MEDLINE; 2) country and language coverage differences from MEDLINE; 3) conference coverage including over 300,000 conference abstracts indexed annually; 4) coverage of articles in press and in process records with automatic indexing; 5) overlap between Embase and MEDLINE records after deduplication; and 6) the currency of Embase records which are typically loaded within 2 weeks and ahead of equivalent MEDLINE records. Questions from attendees were invited at the end.

1. Embase® is a registered trademark of Elsevier BV.
Presented by Ian Crowlesmith
23 April 2014
i.crowlesmith@elsevier.com
Your host:
Ann-Marie Roche CONTENT AND COVERAGE
ON EMBASE

2. 2
• Webinar control panel:
 ‘chat’ for questions or ‘ask a question’
 minimize option for full screen view
• Q&A after 30 minutes
NEED TO KNOW

3. 3
CONTENT AND COVERAGE
ON EMBASE: AGENDA
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
1. Scope and journal coverage
2. Country & language coverage
3. Conference coverage
4. Articles in Press / In Process
5. Overlap with MEDLINE
6. Embase currency

4. 4
CONTENT AND COVERAGE
ON EMBASE
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
1. Scope and journal coverage
2. Country & language coverage
3. Conference coverage
4. Articles in Press / In Process
5. Overlap with MEDLINE
6. Embase Currency

5. 5
EMBASE SCOPE
NO SIGNIFICANT CHANGE SINCE 2012
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
Other topics 28%
Including: public health,
general surgery, nursing,
dentistry, veterinary science

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EMBASE JOURNALS
TWO YEARS AGO : 7,960 JOURNALS COVERED (MARCH 2012)
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
2,368 journals
Indexed at Embase
Unique to Embase
Search:
[embase]/lim
3,028 journals
Indexed at Embase
Also covered by MEDLINE
Search:
[embase]/lim AND
[medline]/lim
2,564 journals *
Indexed by MEDLINE
Also in MEDLINE
Search:
[medline]/lim NOT
[embase]/lim
Indexed at Embase (5,396 titles)
Indexed by MEDLINE (e.g on PubMed) (5,592 titles)
* Converted to Embase format (see “Coverage of MEDLINE in Embase” white paper, May 2011)

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EMBASE JOURNALS
THIS YEAR : 8,436 JOURNALS COVERED (MARCH 2014)
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
2,790 journals
Indexed at Embase
Unique to Embase
Search:
[embase]/lim
3,138 journals
Indexed at Embase
Also covered by MEDLINE
Search:
[embase]/lim AND
[medline]/lim
2,508 journals *
Indexed by MEDLINE
Also in MEDLINE
Search:
[medline]/lim NOT
[embase]/lim
Indexed at Embase (5,948 titles)
Indexed by MEDLINE (e.g on PubMed) (5,646 titles)
* Converted to Embase format (see “Coverage of MEDLINE in Embase” white paper, May 2011)

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EMBASE JOURNALS 2014
EXTRACT FROM THIS YEAR’S LIST
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
Source: http://www.elsevier.com/online-tools/embase/about

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JOURNAL SELECTION
KEY FACTORS .
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
Journal quality scored
- editorial board / peer review process
- articles written in English language
- publication by a major publisher
Journal topic & source
- journal topic: core, medium, marginal (or out of scope)
- country of publication
- article language (minimal requirement: English abstract)
Journal selection
- core topic  journals of lower quality may be selected
- marginal topic  only higher quality journals selected
- international  representation from all countries if possible

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JOURNAL GROWTH
2010 - 2014
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
0
500
1000
1500
2000
2500
3000
3500
2010 2011 2012 2013 2014
Embase unique
Shared titles
MEDLINE unique
Journals covered in Embase each year

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CONTENT AND COVERAGE
ON EMBASE
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
1. Scope and journal coverage
2. Country & language coverage
3. Conference coverage
4. Articles in Press / In Process
5. Overlap with MEDLINE
6. Embase currency

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EMBASE JOURNALS BY COUNTRY
8,436 JOURNAL TITLES (MARCH 2014)
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
49.7%
33.4%
9.5%
7.4%
North
America
Europe
Asia
RoW *
* RoW = Rest of the World (esp. Australia & New Zealand, Africa, South America)

13. Embase® is a registered trademark of Elsevier BV.

14. Embase® is a registered trademark of Elsevier BV.

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ASIAN JOURNALS IN EMBASE (2014)
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
Country Embase (total) MEDLINE Unique in Embase
India 234 48 186
Japan 221 154 67
China 149 88 61
South Korea 62 21 41
Pakistan 34 5 29
Singapore 30 10 20
Taiwan 18 8 10
Hong Kong 14 3 11
Bangladesh 11 3 8
Malaysia 10 4 6
Nepal 7 5 2
Thailand 6 4 2
Indonesia 2 1 1
Sri Lanka 2 1 1
Philippines 2 1 1

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ARTICLE LANGUAGE (LAST 5 YEARS)
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
Language Embase (per year) * MEDLINE (per year) * Unique in Embase
English ** 877,186 (90%) 664,207 (92%) 213,000
Chinese 27,861 (2.9%) 11,523 (2.2%) 16,300
German 17,051 (1.7%) 7,421 (1.0%) 9,600
French 13,491 8,469 5,000
Spanish 12,582 6,839 5,700
Japanese 7,762 5,761 2,000
Russian 6,275 6,094 200
Portuguese 4,918 3,560 1,400
Polish 3,479 1,791 1,700
Turkish 3,264 545 2,700
Italian 2,880 1,522 1,400
Dutch 2,618 899 1,700
Czech 1,557 (0.16%) 585 (0.08%) 1,000
* Average: April 2009 – April 2014 ** excl. conference abstracts

17. 17Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
ENGLISH VS NON-ENGLISH ARTICLES
0.0
0.2
0.4
0.6
0.8
1.0
2009 2010 2011 2012 2013
Millions
English (total)
English (MEDLINE)
Non-English (total)
Non-English (MEDLINE)
Articles published per year in Embase 5-YEAR TREND

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CONTENT AND COVERAGE
ON EMBASE
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
1. Scope and journal coverage
2. Country & language coverage
3. Conference coverage
4. Articles in Press / In Process
5. Overlap with MEDLINE
6. Embase currency

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CONFERENCES IN EMBASE
1,000 CONFERENCES/YEAR COVERED FROM 2009
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase

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CONFERENCE ABSTRACTS
CURRENTLY 300,000 ABSTRACTS/YEAR
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase

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CONFERENCE INDEXING
RESULTS CAN BE FILTERED BY “MEDICAL DEVICE”
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase

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CONFERENCES ABOUT DEVICES
SEE THE “CONFERENCE” FILTER . . .
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase

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CONFERENCES AB0UT DEVICES (2)
. . . SHOWING CONFERENCES RANKED BY THE NUMBER OF ABSTRACTS
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase

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CONTENT AND COVERAGE
ON EMBASE
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
1. Scope and journal coverage
2. Country & language coverage
3. Conference coverage
4. Articles in Press / In Process
5. Overlap with MEDLINE
6. Embase currency

25. EMBASE WORKFLOW
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
Articles in
Press (AiPs) *
In process
records (IPs) *
Fully indexed
records
Conference
abstracts *
single step
<1 week
<1 week
260K records
Deduplication
+ conversion
Articles
(pre-pub)
Journal issue
(published)
Journal (supps)
(published)
MEDLINE
articles
1m records
<1 week
300K records
update update
5,948 journals2,100 journals
800K records* includes Automatic
Indexing (AI)

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ARTICLES-IN-PRESS & IN-PROCESS RECORDS
SEARCHING USING QUICK LIMITS
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase

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ARTICLES IN PRESS
RECORD DISPLAY
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase

28. EMBASE WORKFLOW
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
Articles in
Press (AiPs)
In process
records (IPs)
Fully indexed
records
Conference
abstracts
single step
<1 week
260K records
Deduplication
+ conversion
Articles
(pre-pub)
Journal issue
(published)
Journal (supps)
(published)
MEDLINE
articles
1m records
<1 week
300K records
update update
5,948 journals2,100 journals
800K records
<1 week

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OVERLAP OF EMBASE WITH MEDLINE
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
TOTAL RECORDSOVERLAPPING (DEDUPLICATED) RECORDS
“Embase” not MEDLINE: 6,073,183
MEDLINE not “Embase”: 9,091,369

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CONTENT AND COVERAGE
ON EMBASE
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
1. Scope and journal coverage
2. Country & language coverage
3. Conference coverage
4. Articles in Press / In Process
5. Overlap with MEDLINE
6. Embase currency

31. EMBASE WORKFLOW
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
Articles in
Press (AiPs)
In process
records (IPs)
Fully indexed
records
Conference
abstracts
single step
<1 week
260K records
Deduplication
+ conversion
Articles
(pre-pub)
Journal issue
(published)
Journal (supps)
(published)
MEDLINE
articles
1m records
<1 week
300K records
update update
5,948 journals2,100 journals
800K records
<1 week

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EMBASE CURRENCY VS MEDLINE
FULLY INDEXED RECORDS (DATA FROM 10 (BI)WEEKLY JOURNALS *)
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
-4.0
-2.0
0.0
2.0
4.0
6.0
8.0
2009 2010 2011 2012 2013 2014
Weeks ahead (Embase on Embase.com vs MEDLINE on PubMed)
* JAMA, New England Journal of Medicine, The
Lancet, Nature, Science, PNAS, Circulation, J. Neuroscience, J. Biological
Chemistry, Ann. Internal Medicine

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RECORDS LICENSED FROM NLM
(MEDLINE NOT “EMBASE” RECORDS)
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase

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MEDLINE VS EMBASE CURRENCY
AVERAGE PROCESSING TIME = 4-5 DAYS
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase

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CONTENT AND COVERAGE ON EMBASE
WHAT HAVEN’T WE COVERED ?
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase
Emtree thesaurus (especially recent enhancements)
Embase indexing (including automatic indexing) /
comparison with indexing on MEDLINE
Specific topics such as Pharmacovigilance, Medical
Devices & Systematic Reviews
How to optimize searching using all the above
features & topics in Embase

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CONTENT AND COVERAGE ON EMBASE
SUMMARY OF WHAT WE HAVE COVERED
Embase currency
• Fully indexed records are loaded
within 2 weeks on average
• Currency of fully indexed records
from top journals is consistently
better than on MEDLINE
• Records licensed from NLM are
available in Embase within a week
Workflow & record types
• Conference coverage (since
2009), including using search
filters to find relevant conference
abstracts
• Articles in Press & In-process
records (with automatic indexing)
• Deduplication between Embase &
MEDLINE records
Scope & journal coverage
• Comprehensive scope with focus
on drugs, clinical medicine and
medical devices
• Journal policy, including annual
growth & comparison vs MEDLINE
• Country & language of publication
(incl. differences with MEDLINE)
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase

37. THANK YOU
ANY QUESTIONS?
37
Ian Crowlesmith
Senior Product Manager, Content
Development
i.crowlesmith@elsevier.com
Ian Crowlesmith | 23 April 2014 | Content and Coverage on Embase

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Please fill in the survey
which will pop up at the
end of the webinar.
Ian Crowlesmith | 25 September 2013 | Searching for Adverse Events on Embase
For more information and questions please
use the contact details on our online
page, where you may also find all training
and support materials and our full webinar
schedule.
Our next Embase webinar is on May 28 and
this will be an introduction to Embase for
new users.
AND FOR MORE INFORMATION …