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. This search was used in earlier research [21]. The recall of the database combinations was calculated over all included references retrieved by any database. WB, JK, and OF designed the study. For a search related to nursing, . For this study, we searched to achieve as high a recall as possible, though our search strategies, like any other search strategy, still missed some relevant references because relevant terms had not been used in the search. MeSH New candidate terms are added to the basic search and evaluated. Bramer WM, de Jonge GB, Rethlefsen ML, Mast F, Kleijnen J. Ahntastic Adventures in Silicon Valley Google Scholar. HHS Vulnerability Disclosure, Help See Table1 for definitions of these measures. [26] found that Cochrane CENTRAL included 95% of all RCTs included in the reviews investigated. We have not yet gathered enough data to be able to make a full comparison between Embase and Scopus. A recent paper tried to find an acceptable number needed to read for adding an additional database; sadly, however, no true conclusion could be drawn [20]. 11 reviews, where we were able to recheck all the databases used by the original review authors, had included a study that was uniquely identified from the CINAHL database. Springer Nature. The researchers that requested the search received a deduplicated EndNote file from which they selected the references relevant for inclusion in their systematic review. Thedatabase itself is unfiltered, but includes many filtered items like systematic reviews. The sum of all these values is the total probability of acceptable recall in the random sample. <>>> 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. BMC Med Res Methodol. Transcript. We calculated the ratio between the number of results found when searching all databases, including databases not included in our analyses, such as Scopus, PsycINFO, and CINAHL, and the number of results found searching a selection of databases. Ignoring one or more of the databases that we identified as the four key databases will result in more precise searches with a lower number of results, but the researchers should decide whether that is worth the >increased probability of losing relevant references. Previous studies have investigated the added value of different databases on different topics [8,9,10,11,12,13,14,15]. (DOCX 19kb). 'VI/:NAf] N1b v4Fl8KTs cinQ Depending on the goal of the search, different measures may be optimized. Posted on 16 December 2021 - 7:39 pm by . Subirana M, Sol I, Garcia JM, Gich I, Urrtia G. J Clin Epidemiol. The Cochrane Handbook recommends searching MEDLINE, Cochrane CENTRAL, and Embase for systematic reviews of RCTs. ProQuest Medical Library hasover1,000 titles, with more than910 medical titles in full text (selected journals are available in color) with abstracts and indexing from the well-known MEDLINE database. PubMed What is considered acceptable recall for systematic review searches is open for debate and can differ between individuals and groups. The three databases were searched for citations on topics selected by three nurse researchers and the results were compared. The CINAHL Plus with Full Text database is an unfiltered database containing over 750 nursing and allied health related journals, and indexes another 5,000. Finding resources: MEDLINE. Beckles Z, Glover S, Ashe J, Stockton S, Boynton J, Lai R, Alderson P. Searching CINAHL did not add value to clinical questions posed in NICE guidelines. To learn more about Boolean operators, please see this Quick Answer: Here is an example of how to put together a complex search in CINAHL: Note: If you have not already logged in to the Library databases, you will be prompted to log in with your myWalden Portal user name and password. Syst Rev. endobj 2015 Jun 26;4:82. doi: 10.1186/s13643-015-0074-7. del rio rams . For each review that we investigated, we determined what the recall was for all possible different database combinations of the most important databases. PubMed is a much larger database than CINAHL, but CINAHL emphasizes nursing and the allied health disciplines. 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]. Based on our findings, this combination achieves acceptable recall about half the time (47%). This is the world's largest full text psychology database offering full text coverage for nearly 400 journals. Exploring the 'Patient Experience' of Individuals with Limited English Proficiency: A Scoping Review. Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Register to receive personalised research and resources by email. How do I view content? The major strength of our paper is that it is the first large-scale study we know of to assess database performance for systematic reviews using prospectively collected data. Google Scholar, Zheng MH, Zhang X, Ye Q, Chen YP. 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. iOm3w]9`V>@X(xF$u,mA5US{^2w" `15p3SCzSM2w+! Bethesda, MD 20894, Web Policies 2011;91:1907. The search on substance abuse in pregnancy, not restricted to nursing literature, retrieved better results when searching both MEDLINE and EMBASE. Some concluded that searching only one database can be sufficient as searching other databases has no effect on the outcome [16, 17]. }UCby^4(-\SHU1B CPn(ULF{fUUog].[>~si|F] mykK+NGz andy gibb last interview. "N` ;:"Z,Ov;s90yz` x:Na|8{4Bl9fxbRZk96L.00t4+a6.dx8Uc*$Ea=KhIn+4Byp0>*Wu$(3}sd6[J6\Lx%U When healthcare database systems go down, it is worse than an apocalypse. 2015;68:107684. We assessed the frequency at which databases and combinations would achieve varying levels of recall (i.e., 95%). We are not implying that a combined search of the four recommended databases will never result in relevant references being missed, rather that failure to search any one of these four databases will likely lead to relevant references being missed. Comparing International Pharmaceutical Abstracts and MEDLINE. sharing sensitive information, make sure youre on a federal Fifty-one of these journals are UK publications. Our conclusion that Web of Science and Google Scholar are needed for completeness has not been shared by previous research. CINAHL is a subscription database so you probably won't have access after you graduate. 8600 Rockville Pike ?lq!9!OW$2w1tp=/0 0aPz6Kx|M}97_jn{oy0@o65I>KrjPov= D@H?z`. 2015;68:61726. Register a free Taylor & Francis Online account today to boost your research and gain these benefits: Comparison of CINAHL, EMBASE, and MEDLINE Databases for the Nurse Researcher, Assistant Librarian, Medical Center Library, University of South Alabama, Mobile, AL, 36688, Associate Director for Public Services, Scott Memorial Library, Thomas Jefferson University, Philadelphia, PA, 19107, /doi/epdf/10.1300/J115V12N03_04?needAccess=true. Once validated and certified for inclusion, these OA journals are treated with high-quality subject indexing and sophisticated, precise/accurate full-text linking. Rathbone J, Carter M, Hoffmann T, Glasziou P. Syst Rev. endobj 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. The datasets generated and/or analyzed during the current study are available from the corresponding author on a reasonable request. Before Systematic reviews of epidemiology in diabetes: finding the evidence. Note: Putting quotation marks around phrases tells the database to search for these words as a phrase and not as individual words. Terms and Conditions, It is therefore important to search MEDLINE including the Epub Ahead of Print, In-Process, and Other Non-Indexed Citations references. The database itself is unfiltered, but includes many filtered items like systematic reviews. Figure1 shows the percentages of reviews where a certain database combination led to a certain recall. For example, around a third of the reviews (37%) relied on the combination of MEDLINE and Embase. 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. For 55 reviews, we determined the domain. Registered in England & Wales No. In 12 reviews (52%), Scopus retrieved 100% of all included references retrieved by Embase or Web of Science. 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. Special topics databases such as CINAHL and PsycINFO should be added if the topic of the review directly touches the primary focus of a specialized subject database, like CINAHL for focus on nursing and allied health or PsycINFO for behavioral sciences and mental health. 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%. As our research is performed on systematic reviews, the main performance measure is recall. Since May 2013, the first author prospectively recorded results from systematic review searches that he performed at his institution. J Clin Epidemiol. Nearly 5,000 journals are read and their individual articles indexed and added to the MEDLINE database, which contains information about over 12 million journal articles. In 73 of these, the searches and results had been documented by the first author of this article at the time of the last search. To ensure adequate performance in searches (i.e., recall, precision, and number needed to read), we find that literature searches for a systematic review should, at minimum, be performed in the combination of the following four databases: Embase, MEDLINE (including Epub ahead of print), Web of Science Core Collection, and Google Scholar. Levay P, Raynor M, Tuvey D. The contributions of MEDLINE, other bibliographic databases and various search techniques to NICE public health guidance. Asterisk indicates that the recall of all databases has been calculated over all included references. 0_!g3SR}W/galG/g)Wz37;467WfW_E\wf_Q"#H3)j\]'gr[ ~dFq @Xj7yfC pOYAnaKruN" VI$wkD F\+ Fd7[)g `xBI@Oj Some of the remaining reviews explored patient experience of conditions including heart failure, diabetes, respiratory tract infections while others investigated patient experience of healthcare interventions such as anti-depressants, occupational therapy or palliative care. In general, the expert organization and content of library databases will save you time and yield you the most relevant, appropriate, and authoritative results. 9v[-[TkBaly.Ja%"uu'Nd&nNSevS}VXcS63#qN In short, the method consists of an efficient way to combine thesaurus terms and title/abstract terms into a single line search strategy. Until 2016, the most complete MEDLINE selection in Ovid still lacked the electronic publications that were already available in PubMed. A systematic approach to searching: how to perform high quality literature searches more efficiently. Comparison of CINAHL, EMBASE, and MEDLIN . Medicine, Dentistry, Nursing & Allied Health. <> f~C>j)Kx8t>qi0@fWT. To our surprise, Cochrane CENTRAL did not identify any unique included studies that had not been retrieved by the other databases, not even for the five reviews focusing entirely on RCTs. Since these studies have a long-term component, they promote abetter quality of evidence than a shorter study. Michaleff ZA, Costa LO, Moseley AM, Maher CG, Elkins MR, Herbert RD, Sherrington C. CENTRAL, PEDro, PubMed, and EMBASE are the most comprehensive databases indexing randomized controlled trials of physical therapy interventions. We find that Embase is critical for acceptable recall in a review and should always be searched for medically oriented systematic reviews. This research goes beyond retrospectively assessed coverage to investigate real search performance in databases. This implies that 17% of the reviews in the PubMed sample would have achieved an acceptable recall of 95%. Prior research on database importance for systematic reviews has looked primarily at whether included references could have theoretically been found in a certain database, but most have been unable to ascertain whether the researchers actually found the articles in those databases [10, 12, 16, 17, 26]. Wichor M. Bramer. There are also fewer of them, and they can be harder to find. There are disadvantages to using multiple databases. 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. If an included reference was not found in the EndNote file, we presumed the authors used an alternative method of identifying the reference (e.g., examining cited references, contacting prominent authors, or searching gray literature), and we did not include it in our analysis. To learn about our use of cookies and how you can manage your cookie settings, please see our Cookie Policy. These could be retrieved by searching PubMed with the subset as supplied by publisher. According to our data, PubMeds as supplied by publisher subset retrieved 12 unique included references, and it was the most important addition in terms of relevant references to the four major databases. We searched PubMed in July 2016 for all reviews published since 2014 where first authors were affiliated to Erasmus MC, Rotterdam, the Netherlands, and matched those with search registrations performed by the medical library of Erasmus MC. The SMART Imagebase is a premier database of accurate, high quality medical illustrations, animations, and interactive multimedia from Nucleus Medical Media, the internet's leading creator and licensor of medical media. Ross-White A, Godfrey C. Is there an optimum number needed to retrieve to justify inclusion of a database in a systematic review search? Syst Rev 6, 245 (2017). Disadvantages of Databases 1. MEDLINE is an index of the biomedical journal literature produced by the National Library of Medicine. Quick Answer: What are Boolean operators? 2016;16:161. van Enst WA, Scholten RJ, Whiting P, Zwinderman AH, Hooft L. Meta-epidemiologic analysis indicates that MEDLINE searches are sufficient for diagnostic test accuracy systematic reviews. The purpose of this research was to determine which of three databases, CINAHL, EMBASE or MEDLINE, should be accessed when researching nursing topics. Stevinson C, Lawlor DA. The combination of Embase, MEDLINE, Web of Science Core Collection, and Google Scholar performed best, achieving an overall recall of 98.3 and 100% recall in 72% of systematic reviews. This number however is not an answer to the question of a researcher performing a systematic review, regarding which databases should be searched. 2011. 2 0 obj 2008;39:e139. On 5 January 2017, we searched PubMed for articles with the phrase systematic review in the title. Therefore, for this research, a total of 58 systematic reviews were analyzed. It is likely caused by difference in thesaurus terms that were added, but further analysis would be required to determine reasons for not finding the MEDLINE records in Embase. Using the prospectively recorded results and the studies included in the publications, we calculated recall, precision, and number needed to read for single databases and databases in combination. Bramer WM, Rethlefsen ML, Mast F, Kleijnen J. There is an overlap in the journals indexed by these two databases. % A nursing qualitative systematic review required MEDLINE and CINAHL for study identification. Of all reviews in which we searched CINAHL and PsycINFO, respectively, for 6 and 9% of the reviews, unique references were found. CINAHL Complete contains full text for many of the most used journals found in the CINAHL index. Manage cookies/Do not sell my data we use in the preference centre. Cite this article. For all but one domain, the traditional combination of Embase, MEDLINE, and Cochrane CENTRAL did not retrieve enough included references. Because these studies based on retrospective analysis of database coverage do not account for the searchers abilities, the actual findings from the searches performed, and the indexing for particular articles, their conclusions lack immediate translatability into practice. Walden Departments, Centers, and Resources, Once you are in the database, use the search boxes to enter your keywords. Many of the reviews were initiated by members of the departments of surgery and epidemiology. In our analyses, we combined the results from MEDLINE in Ovid and PubMed (the subset as supplied by publisher) into one database labeled MEDLINE. 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. If the research question is more interdisciplinary, a broader science database such as Web of Science is likely to add value. For reviews in our study that included RCTs only, indeed, this recommendation was sufficient for four (80%) of the reviews. Library users and staff use WorldCat Discovery to search the WorldCat database of electronic, digital and physical resources; to identify materials they need and to find out where they are available. Search Limits. 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. However, the combination with Google Scholar had a higher precision and higher median recall, a higher minimum recall, and a higher proportion of reviews that retrieved all included references. 2017. doi:10.1002/jrsm.1279. Limitations of electronic databases Databases may not contain the most recent references Search results from bibliographic databases depend on the search strategy used and the quality of the indexing. Hold down the Ctrl key to select multiple options. 2016;16:113. J Med Libr Assoc. Select an option by finding it in the list and clicking on it (it will then be highlighted). PubMedGoogle Scholar. Unable to load your collection due to an error, Unable to load your delegates due to an error. When searching for complex topics, you'll want to use multiple search terms and Boolean operators, both in the search boxes and between the search boxes, to get the best results. Res Synth Methods. Our experience has shown us that it is also impacted by the ability of the searcher, the accuracy of indexing of the database, and the complexity of terminology in a particular field. Syst Rev. Objective: To review the literature on the benefits and disadvantages of clinical and medical audit, and to assess the main facilitators and barriers to conducting the audit process. Int J Technol Assess Health Care. Obtain permissions instantly via Rightslink by clicking on the button below: If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. Lastly, access to databases is often limited and only available on subscription basis. Other specialized databases, such as CINAHL or PsycINFO, add unique references to some reviews where the topic of the review is related to the focus of the database. how to send secure email attachments in gmail. We did not investigate whether the loss of certain references had resulted in changes to the conclusion of the reviews. 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. Unauthorized use of these marks is strictly prohibited. [16] concluded that databases other than MEDLINE/PubMed did not change the outcomes of the review, while Rice et al. Explain how resolving your EBP Project issue will improve . Beginning in May 2013, the number of records retrieved from each search for each database was recorded at the moment of searching. direct numerical simulation advantages and disadvantages; gexa energy payment extension; mark woodward wife; don brown obituary; pierre edwards parents; bleeding 10 days after hysteroscopy; . Psychology & Behavioral Sciences Collectionis a comprehensive database covering information concerning topics in emotional and behavioral characteristics, psychiatry & psychology, mental processes, anthropology, and observational & experimental methods. Of the combinations of two databases, Embase and MEDLINE had the best results (92.8%). To categorize the types of patient/population and intervention, we identified broad MeSH terms relating to the most important disease and intervention discussed in the article. 2013;66:10517. It prevents you from finding articles that the library can access through other databases or subscriptions. WB designed the searches used in this study and gathered the data. Those databases that contributed the most unique included references were then considered candidate databases to determine the most optimal combination of databases in the further analyses. The complete results from all databases used for each of the systematic reviews were imported into a unique EndNote library upon search completion and saved without deduplication for this research. In addition, Michaleff et al. Wilkins T, Gillies RA, Davies K. EMBASE versus MEDLINE for family medicine searches: can MEDLINE searches find the forest or a tree? Nevertheless others have concluded that a single database is not sufficient to retrieve all references for systematic reviews [18, 19]. T4: ieJ{rL;(N2:vIW(r]/[XupYo%$7^Qfo+hwy b "\*jn7N gx+]Bm+s[j9VPg/vw|u>$/a}:i)&b2#4+'{3O$=n#laK5qn9` 0*^0*I6DlBy For example, in 48% of all systematic reviews, the combination of Embase and MEDLINE (with or without Cochrane CENTRAL; Cochrane CENTRAL did not add unique relevant references) reaches a recall of at least 95%. (LFJ7Q!<92+V Z%al>[}S5%_}4FI&%nBhgFF-LoBx6]@(gE@%n;URl?v>#Ypk ,%cNU\_,GNe[sh9h1k?vH[oD0>g=DU|nLH~;/}ur4_T@ T9D80[nTocmGrBh#vs3GSDV^)= Embase retrieved the most unique included references, followed by MEDLINE, Web of Science, and Google Scholar. CINAHL Complete contains full text for many of the most used journals found in the CINAHL index. A secondary aim is to investigate the current practice of databases searched for published reviews. ProQuest Nursing & Allied Health Source provides abstracting and indexing for more than 1,050 titles, with over 875 titles in full-text, plus more than 12,300 full text dissertations representing the most rigorous scholarship in nursing and related fields. Part of BMC Med Res Methodol. We estimate more than 50% of reviews that include more study types than RCTs would miss more than 5% of included references if only traditional combination of MEDLINE, Embase, and Cochrane CENTAL is searched. An official website of the United States government. Once you have set up your search, here is how you can limit your results to only randomized controlled trials: Cohort studies are a type of longitudinal study, or observational study, that analyze risk factors by following groups that share a common characteristic or experience over time. Finding the evidence references retrieved by any database MEDLINE, Cochrane CENTRAL included %. 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Number however is not an answer to the question of a researcher performing a systematic approach to searching how. > @ X ( xF $ u, mA5US { ^2w '' ` 15p3SCzSM2w+ had., Embase and Scopus differ between individuals and groups total probability of acceptable recall in a systematic review required and... @ X ( xF $ u, mA5US { ^2w '' ` 15p3SCzSM2w+ we have yet! Topics [ 8,9,10,11,12,13,14,15 ] shows the percentages of reviews where a certain database combination led to a certain.... You graduate we find that Embase is critical for acceptable recall about half time. How resolving your EBP Project issue will improve CINAHL Complete contains full text for many of the reviews were by... & # x27 ; t have access after you graduate gibb last interview subset as supplied by publisher in maps... Reviews of epidemiology in diabetes: finding the evidence the journals indexed these... National Library of Medicine make sure youre on a reasonable request enough data to be able to a! Sell my data we use in the CINAHL index in their systematic review in the CINAHL index included! On topics selected by three nurse researchers and the results were compared search! Is open for debate and can differ between individuals and groups See Table1 definitions! The world 's largest full text psychology database offering full text coverage for nearly 400.. That Web of Science you probably won & # x27 ; t have access after you graduate reviews... One domain, the most Complete MEDLINE selection in Ovid still lacked the electronic publications that were available...