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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 BMC+Med+Res+Methodol
2016 ; 16
(1
): 161
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Optimizing literature search in systematic reviews - are MEDLINE, EMBASE and
CENTRAL enough for identifying effect studies within the area of musculoskeletal
disorders?
#MMPMID27875992
Aagaard T
; Lund H
; Juhl C
BMC Med Res Methodol
2016[Nov]; 16
(1
): 161
PMID27875992
show ga
BACKGROUND: When conducting systematic reviews, it is essential to perform a
comprehensive literature search to identify all published studies relevant to the
specific research question. The Cochrane Collaborations Methodological
Expectations of Cochrane Intervention Reviews (MECIR) guidelines state that
searching MEDLINE, EMBASE and CENTRAL should be considered mandatory. The aim of
this study was to evaluate the MECIR recommendations to use MEDLINE, EMBASE and
CENTRAL combined, and examine the yield of using these to find randomized
controlled trials (RCTs) within the area of musculoskeletal disorders. METHODS:
Data sources were systematic reviews published by the Cochrane Musculoskeletal
Review Group, including at least five RCTs, reporting a search history, searching
MEDLINE, EMBASE, CENTRAL, and adding reference- and hand-searching. Additional
databases were deemed eligible if they indexed RCTs, were in English and used in
more than three of the systematic reviews. Relative recall was calculated as the
number of studies identified by the literature search divided by the number of
eligible studies i.e. included studies in the individual systematic reviews.
Finally, cumulative median recall was calculated for MEDLINE, EMBASE and CENTRAL
combined followed by the databases yielding additional studies. RESULTS: Deemed
eligible was twenty-three systematic reviews and the databases included other
than MEDLINE, EMBASE and CENTRAL was AMED, CINAHL, HealthSTAR, MANTIS, OT-Seeker,
PEDro, PsychINFO, SCOPUS, SportDISCUS and Web of Science. Cumulative median
recall for combined searching in MEDLINE, EMBASE and CENTRAL was 88.9% and
increased to 90.9% when adding 10 additional databases. CONCLUSION: Searching
MEDLINE, EMBASE and CENTRAL was not sufficient for identifying all effect studies
on musculoskeletal disorders, but additional ten databases did only increase the
median recall by 2%. It is possible that searching databases is not sufficient to
identify all relevant references, and that reviewers must rely upon additional
sources in their literature search. However further research is needed.
|*Databases, Bibliographic
[MESH]
|*MEDLINE
[MESH]
|*Review Literature as Topic
[MESH]
|Guidelines as Topic/standards
[MESH]
|Humans
[MESH]
|Information Storage and Retrieval/methods/standards/*statistics & numerical data
[MESH]