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. Author manuscript; available in PMC: 2018 Mar 21.
Published in final edited form as: Res Synth Methods. 2013 Oct 8;5(2):116–130. doi: 10.1002/jrsm.1098

Table 5.

Transparent Reporting of the Essential Search Elements

Q. Search Reporting Questions Cochrane
Reviews
(n=9)a
Non-Cochrane
Reviews
(n=93)b
All
Reviews
(n=102)
n(%) n(%) n(%)
1 How many studies reported the databases searched? 9 (100%) 87 (94%) 96 (94%)
2 How many reviews reported the interface (i.e. host, platform) used to access and search each database? 0c 8 (9%) 8 (8%)
3 How many reviews clearly reported the time period of the searches? 8 (89%) 27 (29%) 35 (34%)
4 How many reviews clearly reported the last date the search was implemented? 7 (78%) 11 (12%) 18 (18%)
5 How many reviews reported the complete search of at least one or all databases in order to reproduce the search? 6 (67%) 7 (8%) 13 (13%)
6 How many reviews provided the language limits? 6 (67%) 39 (42%) 45 (44%)
7 How many reviews reported a supplemental search component? 9 (100%) 78 (84%) 87 (85%)
8 How many reviews reported including an experienced searcher? 1 (11%)d 4 (4%) 5 (5%)
a

9 Cochrane Reviews are a subset of the 102 All Reviews

b

93 Non-Cochrane Reviews are a subset of the 102 All Reviews

c

"Name of the host" was a requirement of The Cochrane Handbook version 4.2.6 (2006). It was not a requirement in the 2008 version of The Cochrane Handbook 5.0.0 (2008)

d

Including an experienced searcher is not a requirement in The Cochrane Handbook