Analyzing the Characteristics of the Flag New Search and the Correlative Search Strategies in The Cochrane Library_Chinese Journal of Evidence-Based Medicine

Authors：

 Deng Kegang

West China Hospital, Sichuan University, Chengdu 610041, China;

Corresponding author：

Deng Kegang, Email: kegangdeng@yahoo.com.cn

Keywords：

Systematic review; New search; Search strategy

DOI：

10.7507/1672-2531.20090140

Video：

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Objective 　To search through the Cochrane database of systematic reviews using the flag new search option to find out whether this strategy helps update revivews.
Methods 　We chose the New search option in the advanced search in The Cochrane Library on Wiley InterScience (Issue 1, 2009), and input all hit citations to the ProCite software. We then looked through the `What’s new`,`History`, as well as `Appendices` on hit reviews in the Cochrane library one by one, and then added these related contents to thef ield of the ProCite in order to analyze the results.
Results 　A total of 140 systematic reviews had the flag new search. Among them, the total new search frequency were 274, meaning frequency was 1.96/1; updated within two years were 58 (41.43); there were 61 reviews with `Appendices` (43.57%). The status of the chosen database among the 61 reviews with `Appendices` was as follows: most were from MEDLINE (56 reviews, 91.80%), next EMBASE (47 reviews, 77.05 %), and finally CENTRAL (45 reviews, 73.7%). Among the reviews with `Appendices`, most of them were not correctly labeled.
Conclusion 　Although some Cochrane systematic reviews are updated in a timely fashion, there is some incomplete information, although it may be still helpful for researchers to look for new studies.

Citation： Deng Kegang. Analyzing the Characteristics of the Flag New Search and the Correlative Search Strategies in The Cochrane Library. Chinese Journal of Evidence-Based Medicine, 2009, 09(7): 809-814. doi: 10.7507/1672-2531.20090140 Copy

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Chinese Journal of Evidence-Based Medicine

Analyzing the Characteristics of the Flag New Search and the Correlative Search Strategies in The Cochrane Library

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