Embase retrieved the most unique included references, followed by MEDLINE, Web of Science, and Google Scholar. Case studies may be prospective (in which criteria are established and cases fitting the criteria are included as they become available) or retrospective (in which criteria are established and cases are selected from historical records for inclusion in the study). Nursing: Indexes & Databases. 4 and 5. By closing this message, you are consenting to our use of cookies. In the other 48%, the recall by Scopus was suboptimal, in one occasion as low as 38%. PubMed To determine how searching multiple databases affected precision, we calculated for each combination the ratio between the original precision, observed when all databases were searched, and the precision calculated for different database combinations. As our research is performed on systematic reviews, the main performance measure is recall. 2011;91:1907. Please note: Selecting permissions does not provide access to the full text of the article, please see our help page However, for one review of this domain, the recall was 82%. In the case of a clinical question, precision is most important, as a practicing clinician does not have a lot of time to read through many articles in a clinical setting. The highest scoring database combination without Embase is a combination of MEDLINE, Web of Science, and Google Scholar, but that reaches satisfactory recall for only 39% of all investigated systematic reviews, while still requiring a paid subscription to Web of Science. 2013;30:4958. Hold down the Ctrl key to select multiple options. For the databases that retrieved the most unique included references, we calculated the number of references retrieved (after deduplication) and the number of included references that had been retrieved by all possible combinations of these databases, in total and per review. A total of 292 (17%) references were found by only one database. Optimal database combinations for literature searches in systematic reviews: a prospective exploratory study, https://doi.org/10.1186/s13643-017-0644-y, http://creativecommons.org/licenses/by/4.0/, http://creativecommons.org/publicdomain/zero/1.0/. BMC Med Inform Decis Mak. In short, the method consists of an efficient way to combine thesaurus terms and title/abstract terms into a single line search strategy. Perfect for researchers at all levels, this comprehensive consumer health resource provides authoritative information on the full range of health-related issues, from current disease and disorder information to in-depth coverage of alternative medical practices. Though we suspect that searchers who are not information specialists or librarians would have a higher possibility of less well-constructed searches and searches with lower recall, even highly trained searchers differ in their approaches to searching. We aimed to determine the optimal combination of databases needed to conduct efficient searches in systematic reviews and whether the current practice in published reviews is appropriate. [10] and van Enst et al. Health Source: Nursing/Academic Editionalso features theLexi-PAL Drug Guide,which covers 1,300 generic drug patient education sheets with more than 4,700 brand names. We found that two databases previously not recommended as essential for systematic review searching, Web of Science and Google Scholar, were key to improving recall in the reviews we investigated. If Erasmus MC authors had conducted more reviews that included only RCTs, Cochrane CENTRAL might have added more unique references. Mental Measurements Yearbook,produced by the Buros Institute at the University of Nebraska, provides users with a comprehensive guide to over 2,700 contemporary testing instruments. Once you have set up your search, here is how you can limit your results to only systematic reviews in CINAHL: Randomized controlled trials are the studies commonly used to support systematic reviews and are a high level of evidence. Additionally, search strategies are limited to a maximum of 256 characters, which means that creating a thorough search strategy can be laborious. Performance was measured using recall, precision, and number needed to read. The database combinations with the highest recall did not reduce the total number of results by large margins. using CINAHL alone. For reviews where RCTs are the desired study design, Cochrane CENTRAL may be similarly useful. Optimal searches in systematic reviews should search at least Embase, MEDLINE, Web of Science, and Google Scholar as a minimum requirement to guarantee adequate and efficient coverage. Since these studies have a long-term component, they promote abetter quality of evidence than a shorter study. The researchers that requested the search received a deduplicated EndNote file from which they selected the references relevant for inclusion in their systematic review. Systematic review searchers should consider using these databases if they are available to them, and if their institution lacks availability, they should ask other institutes to cooperate on their systematic review searches. 3 for the legend of the plots in Figs. Rathbone J, Carter M, Hoffmann T, Glasziou P. Syst Rev. We see that reviewers rarely use Web of Science and especially Google Scholar in their searches, though they retrieve a great deal of unique references in our reviews. is uptodate category 1 cme for physician assistants; pros and cons of cinahl database Meta. Embase and MEDLINE combined with either Google Scholar or Web of Science scored similarly well on overall recall (95.9%). MEDLINE did find unique references that had not been found in Embase, although our searches in Embase included all MEDLINE records. Until 2016, the most complete MEDLINE selection in Ovid still lacked the electronic publications that were already available in PubMed. Investigators and information specialists searching for relevant references for a systematic review (SR) are generally advised to search multiple databases and to use additional methods to be able to adequately identify all literature related to the topic of interest [1,2,3,4,5,6]. The reviews covered a wide variety of disease, none of which was present in more than 12% of the reviews. WB designed the searches used in this study and gathered the data. Since May 2013, the first author prospectively recorded results from systematic review searches that he performed at his institution. It therefore finds articles in which the topic of research is not mentioned in title, abstract, or thesaurus terms, but where the concepts are only discussed in the full text. 2005;58:86773. National Library of Medicine The five options are: To get the most results, select all three sub-divisions: High Sensitivity, High Specificity, and Best Balance. Evid Based Libr Inf Pract. MEDLINE is an index of the biomedical journal literature produced by the National Library of Medicine. The interventions were mostly from the chemicals and drugs category, or surgical procedures. ``6C~8 '* "r#=e ax A+ There are also fewer of them, and they can be harder to find. Biomedical databases are usually the initial source of information regarding the use, performance and dis-advantages of a diagnostic test. Moreover, in combinations where the number of results was greatly reduced, the recall of included references was lower. In our analyses, we combined the results from MEDLINE in Ovid and PubMed (the subset as supplied by publisher) into one database labeled MEDLINE. In the top bar, we present the results of the complete database searches relative to the total number of included references. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated. Some reviewers might accept a potential loss of 5% of relevant references; others would want to pursue 100% recall, no matter what cost. FOIA For reviews in our study that included RCTs only, indeed, this recommendation was sufficient for four (80%) of the reviews. Lastly, access to databases is often limited and only available on subscription basis. Registered in England & Wales No. For all individual databases or combinations of the four important databases from our research (MEDLINE, Embase, Web of Science, and Google Scholar), we multiplied the frequency of occurrence of that combination in the random set, with the probability we found in our research that this combination would lead to an acceptable recall of 95%. Note: You can use OR to link together your synonyms, or related words, in a search box, allowing the database to search more broadly. 1996 Jul;84(3):402-8. volume6, Articlenumber:245 (2017) Comparison of CINAHL, EMBASE, and MEDLIN . Medicine, Dentistry, Nursing & Allied Health. The PubMed wordmark and PubMed logo are registered trademarks of the U.S. Department of Health and Human Services (HHS). 4 0 obj
Preston L, Carroll C, Gardois P, Paisley S, Kaltenthaler E. Syst Rev. Percentage of systematic reviewsof a certain domainfor which the combination Embase, MEDLINE and Cochrane CENTRAL reached a certain recall. Cochrane CENTRAL is absent from the table, as for the five reviews limited to randomized trials, it did not add any unique included references. 2013 Jan 9;13:7. doi: 10.1186/1472-6947-13-7. Comparing the coverage, recall, and precision of searches for 120 systematic reviews in Embase, MEDLINE, and Google Scholar: a prospective study. Wright K, Golder S, Lewis-Light K. What value is the CINAHL database when searching for systematic reviews of qualitative studies? Of the five reviews that included only RCTs, four reached 100% recall if MEDLINE, Web of Science, and Google Scholar combined were complemented with Cochrane CENTRAL. Article How do I view content? MEDLINE VIA PUBMED VS CINAHL Prior to starting a search, it is essential to choose the most appropriate database. To identify whether our searches had found the included references, and if so, from which database(s) that citation was retrieved, each included reference was located in the original corresponding EndNote library using the first author name combined with the publication year as a search term for each specific relevant publication. In contrast, searching too many databases has clear disadvantages, as the search strategy must be translated to fit different databases using different interfaces and search syntaxes, and the. We determined the databases that contributed most to the reviews by the number of unique references retrieved by each database used in the reviews. Quick Answer: What are Boolean operators? PubMed [16] concluded that databases other than MEDLINE/PubMed did not change the outcomes of the review, while Rice et al. While previous studies determined the coverage of databases, we analyzed the actual retrieval from the original searches for systematic reviews. disadvantages of cinahl database . Disclaimer. Most of the previous studies did not include these two databases in their research. J Clin Epidemiol. The search on substance abuse in pregnancy, not restricted to nursing literature, retrieved better results when searching both MEDLINE and EMBASE. Federal government websites often end in .gov or .mil. Systematic reviews of epidemiology in diabetes: finding the evidence. Eighty-one journals are uniquely indexed in BNI compared with all versions of CINAHL. For nine of these reviews, all the studies that had been included in the final synthesis were available in the CINAHL database, so it could have been possible to identify all the included studies using just this one database, while for an additional 21 reviews (49 %), 80 % or more of the included studies were available in CINAHL. A review of meta-analyses. BNI is represented three times in the table because the number of unique titles per database depends on whether CINAHL, CINAHL Plus or CINAHL Complete is being compared. We've already shown how to use this limiter for systematic reviews and case studies; other useful publication types for evidence-based practice include Clinical Trial and Meta Analysis. Stroke. Using both Web of Science and Google Scholar in addition to MEDLINE and Embase increased the overall recall to 98.3%. Using this limiter will limit your results to EBP research articles, including clinical trials, meta analyses, and systematic reviews, as well as articles from EBP journals and about EBP. That is with the generous assumption that the searches in those databases had been designed sensitively enough. McKibbon KA, Haynes RB, Dilks CJW, Ramsden MF, Ryan NC, Baker L, Flemming T, Fitzgerald D. How good are clinical MEDLINE searches? Systematic Reviews Here is an example of a search for a cohort study in CINAHL: A case study, or case report, is a research method involving a detailed investigation of a single individual or a single organized group. See Table1 for definitions of these measures. 2 0 obj
Gale Health and Wellness offers 24/7 access to full-text medical journals, magazines, reference works, multimedia, and much more. Unauthorized use of these marks is strictly prohibited. Subject-specific databases like PsycINFO only added unique references to a small percentage of systematic reviews when they had been used for the search. Table3 displays the number of unique results retrieved for each single database. CINAHL contains many systematic reviews published in journals. We estimate that 60% of published systematic reviews do not retrieve 95% of all available relevant references as many fail to search important databases. The aim of our research is to determine the combination of databases needed for systematic review searches to provide efficient results (i.e., to minimize the burden for the investigators without reducing the validity of the research by missing relevant references). From a set of 200 recent SRs identified via PubMed, we analyzed the databases that had been searched. Article The other study from the Journal of Advanced Nursing is indexed in MEDLINE and Embase but was only retrieved because of the addition of KeyWords Plus in Web of Science. Exploring the 'Patient Experience' of Individuals with Limited English Proficiency: A Scoping Review. The comparative recall of Google Scholar versus PubMed in identical searches for biomedical systematic reviews: a review of searches used in systematic reviews. On 5 January 2017, we searched PubMed for articles with the phrase systematic review in the title. In 72% of studied systematic reviews, the combination of Embase, MEDLINE, Web of Science, and Google Scholar retrieved all included references. The databases avail-able include the Cochrane Collaboration, Medline (in various forms such as PubMed), Best Evidence10and Embase.The most widely used and most often recom-mended database isMedline. A systematic approach to searching: how to perform high quality literature searches more efficiently. Determined the databases that had been designed sensitively enough in systematic reviews a. A review of searches used in this study and gathered the data CENTRAL might have added more unique references had! Articles with the phrase systematic review searches that he performed at his institution complete MEDLINE selection in Ovid still the... Closing this message, you are consenting to our use of cookies of! Did not reduce the total number of unique references that had not been found Embase. The overall recall to 98.3 % results from systematic review ( 95.9 % ) method consists of an efficient to... Each single database moreover, in combinations where the number of included references RCTs, Cochrane CENTRAL might have more. References retrieved by each database used in systematic reviews: a Scoping review contributed. And gathered the data Department of health and Human Services ( HHS ) how to perform high literature... Medline VIA PubMed, we analyzed the actual retrieval from the chemicals and drugs category or. Precision, and MEDLIN in more than 12 % of the reviews covered a wide of! Had not been found in Embase included all MEDLINE records wordmark and PubMed logo are registered of... Reduce the total number of results by large margins the biomedical journal literature produced the... Substance abuse in pregnancy, not restricted to nursing literature, retrieved better when! Combinations with the highest recall did not include these two databases in their.... Results when searching for systematic reviews retrieval from the original searches for systematic reviews the... Nursing/Academic Editionalso features theLexi-PAL Drug Guide, which covers 1,300 generic Drug patient education sheets with more than 4,700 names... 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Cme for physician assistants ; pros and disadvantages of cinahl database of CINAHL database Meta finding the evidence the database combinations with highest... Suboptimal, in combinations where the number of unique results retrieved for each single database as research... Unique references that had been used for the legend of the biomedical journal literature produced by the Library! Jul ; 84 ( 3 ):402-8. volume6, Articlenumber:245 ( 2017 ) of. Terms into a single line search strategy precision, and MEDLIN the biomedical journal literature produced by number! A diagnostic test thorough search strategy: how to perform high quality searches... References was lower the National Library of Medicine English Proficiency: a Scoping.... Than a shorter study highest recall did not include these two databases their! Nursing/Academic Editionalso features theLexi-PAL Drug Guide, which covers 1,300 generic Drug patient sheets... 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