Lastly, access to databases is often limited and only available on subscription basis. The .gov means its official. Halladay CW, Trikalinos TA, Schmid IT, Schmid CH, Dahabreh IJ. Can Fam Physician. Improvement of precision was calculated as the ratio between the original precision from the searches in all databases and the precision for each database and combination. Using similar calculations, also shown in Table5, we estimated the probability that 100% of relevant references were retrieved is 23%. J Med Libr Assoc. Syst Rev. In 23 reviews included in this research, Scopus was searched. Article CAUTION Do not use Linked Full Text Limit. pros and cons of cinahl database Categories. Google Scholar adds relevant articles not found in the other databases, possibly because it indexes the full text of all articles. 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. See Table1 for definitions of these measures. I;u?5Z=bL(lWh{d QrX". A researcher wants to be able to estimate the chances that his or her current project will miss a relevant reference. For a sample of 200 recently published systematic reviews, we calculated how many had used enough databases to ensure 95% recall. 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. For example, in the, Scroll down the page below the search boxes until you find the, Scroll down the page below the search boxes until you see. Rathbone J, Carter M, Hoffmann T, Glasziou P. Syst Rev. New candidate terms are added to the basic search and evaluated. T4: ieJ{rL;(N2:vIW(r]/[XupYo%$7^Qfo+hwy b "\*jn7N gx+]Bm+s[j9VPg/vw|u>$/a}:i)&b2#4+'{3O$=n#laK5qn9` 0*^0*I6DlBy -$P*C! J Kerman Univ Med Sci. 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. 3 0 obj 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. Bramer WM, Giustini D, Kramer BM, Anderson PF. When healthcare database systems go down, it is worse than an apocalypse. Abstract The purpose of this research was to determine which of three databases, CINAHL, EMBASE or MEDLINE, should be accessed when researching nursing topics. On this page you will learn how to limit your results in CINAHL to: Explain how resolving your EBP Project issue will improve . Please note: Selecting permissions does not provide access to the full text of the article, please see our help page Select English Language texts unless you are capable of reading articles in foreign languages. Disclaimer. Recommended articles lists articles that we recommend and is powered by our AI driven recommendation engine. 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. ?lq!9!OW$2w1tp=/0 0aPz6Kx|M}97_jn{oy0@o65I>KrjPov= D@H?z`. Design: A comprehensive literature review was undertaken through a thorough review of Medline and CINAHL databases using the keywords of "audit", "audit of audits", and "evaluation of audits" and a handsearch of . Transcript. The recall of the database combinations was calculated over all included references retrieved by any database. Though we occasionally used the regional databases LILACS and SciELO in our reviews, they did not provide unique references in our study. The search on substance abuse in pregnancy, not restricted to nursing literature, retrieved better results when searching both MEDLINE and EMBASE. PubMed 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. Finding resources: MEDLINE. :p#("-!r>5"@5Ip^P|~1zsqE- @QK The ratio between number of results per database combination and the total number of results for all databases, The ratio between precision per database combination and the total precision for all databases. 2005;93:7480. In 72% of studied systematic reviews, the combination of Embase, MEDLINE, Web of Science, and Google Scholar retrieved all included references. "One database may be insufficient to provide evidence" The reason is based on a detail with great impact: the indexing of articles differs between the both databases, thus, sometimes leading to different results of a given search strategy. Over a third of the reviews were therapeutic, while slightly under a quarter answered an etiological question. The topics of the reviews studied here may simply have fallen into those categories, though the diversity of the included reviews may point to a more universal applicability. 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. Published reviews were included if the search strategies and results had been documented at the time of the last update and if, at minimum, the databases Embase, MEDLINE, Cochrane CENTRAL, Web of Science, and Google Scholar had been used in the review. Lastly, we checked whether the reviews described limiting their included references to a particular study design. Google Scholar. If the research question is more interdisciplinary, a broader science database such as Web of Science is likely to add value. 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. Lawrence DW. statement and 9v[-[TkBaly.Ja%"uu'Nd&nNSevS}VXcS63#qN Some concluded that searching only one database can be sufficient as searching other databases has no effect on the outcome [16, 17]. A nursing qualitative systematic review required MEDLINE and CINAHL for study identification. On this page you will learn how to limit your results in CINAHL to: Video: CINAHL Quick Guide at Walden Library (YouTube), (2 min 24 sec) Recorded April 2020 This shows that many database searches missed relevant references. A total of 292 (17%) references were found by only one database. Comparing the coverage, recall, and precision of searches for 120 systematic reviews in Embase, MEDLINE, and Google Scholar: a prospective study. WB drafted the first manuscript, which was revised critically by the other authors. 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). Even when taking into account that many searchers consider the use of Scopus as a replacement of Embase, plus taking into account the large overlap of Scopus and Web of Science, this estimate remains similar. An overview of the broad topical categories covered in these reviews is given in Table2. This is the world's largest full text psychology database offering full text coverage for nearly 400 journals. However, for one review of this domain, the recall was 82%. Of the individual databases, Embase had the highest overall recall (85.9%). 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. PubMed Optimal database combinations for literature searches in systematic reviews: a prospective exploratory study. These could be retrieved by searching PubMed with the subset as supplied by publisher. 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. It is laborious for searchers to translate a search strategy into multiple interfaces and search syntaxes, as field codes and proximity operators differ between interfaces. However, whether an article is present in a database may not translate to being found by a search in that database. Based on the number of results per database both before and after deduplication as recorded at the time of searching, we calculated the ratio between the total number of results and the number of results for each database and combination. 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. Ease in terms of accessibility is another advantage of ERIC and other data bases in that they can be accessed by computer or using print indexes published monthly. Is the coverage of Google Scholar enough to be used alone for systematic reviews. @mR]L#-wbtR5Q MEDLINE VIA PUBMED VS CINAHL Prior to starting a search, it is essential to choose the most appropriate database. We have not yet gathered enough data to be able to make a full comparison between Embase and Scopus. LearningExpress Library features nearly 1,000 online tutorials, practice tests, and eBooks to help patrons of all ages. 2015;4:104. A multi-disciplinary database, with more than 6,100 full-text periodicals, including more than 5,100 peer-reviewed journals. When looking at the overall recall, the combination of Embase and MEDLINE and either Google Scholar or Web of Science could be regarded sufficient with 96% recall. National Library of Medicine There are disadvantages to using multiple databases. 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. For example, around a third of the reviews (37%) relied on the combination of MEDLINE and Embase. <>>> Article iOm3w]9`V>@X(xF$u,mA5US{^2w" `15p3SCzSM2w+! We are aware that the Cochrane Handbook [7] recommends more than only these databases, but further recommendations focus on regional and specialized databases. For the individual databases and combinations that were used in those reviews, we multiplied the frequency of occurrence in that set of 200 with the probability that the database or combination would lead to an acceptable recall (which we defined at 95%) that we had measured in our own data. In short, the method consists of an efficient way to combine thesaurus terms and title/abstract terms into a single line search strategy. Wilkins T, Gillies RA, Davies K. EMBASE versus MEDLINE for family medicine searches: can MEDLINE searches find the forest or a tree? Whether a reference is available in a database is important, but whether the article can be found in a precise search with reasonable recall is not only impacted by the databases coverage. Rethlefsen ML, Farrell AM, Osterhaus Trzasko LC, Brigham TJ. 2008;14:4014. Review projects at Erasmus MC cover a wide range of medical topics, from therapeutic effectiveness and diagnostic accuracy to ethics and public health. Cite this article. [17] found the added value of other databases only for newer, non-indexed references. 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. BMC Med Res Methodol. Evid Based Libr Inf Pract. Depending on the goal of the search, different measures may be optimized. Part of Sixteen percent of the included references (291 articles) were only found in a single database; Embase produced the most unique references (n=132). In Excel, we calculated the performance of each individual database and various combinations. A review of meta-analyses. Unable to load your collection due to an error, Unable to load your delegates due to an error. PubMed Bull Med Libr Assoc. It is therefore important to search MEDLINE including the Epub Ahead of Print, In-Process, and Other Non-Indexed Citations references. We assessed the frequency at which databases and combinations would achieve varying levels of recall (i.e., 95%). f~C>j)Kx8t>qi0@fWT. 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. 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. Syst Rev. By using this website, you agree to our Many articles written on this topic have calculated overall recall of several reviews, instead of the effects on all individual reviews. Kr Mo@h(fW"\x| Tu?g n=~?@(wg In general, searches are developed in MEDLINE in Ovid (Ovid MEDLINE In-Process & Other Non-Indexed Citations, Ovid MEDLINE Daily and Ovid MEDLINE, from 1946); Embase.com (searching both Embase and MEDLINE records, with full coverage including Embase Classic); the Cochrane Central Register of Controlled Trials (CENTRAL) via the Wiley Interface; Web of Science Core Collection (hereafter called Web of Science); PubMed restricting to records in the subset as supplied by publisher to find references that not yet indexed in MEDLINE (using the syntax publisher [sb]); and Google Scholar. Searching Google Scholar is challenging as it lacks basic functionality of traditional bibliographic databases, such as truncation (word stemming), proximity operators, the use of parentheses, and a search history. Embase and MEDLINE combined with either Google Scholar or Web of Science scored similarly well on overall recall (95.9%). 3099067 Systematic reviews of epidemiology in diabetes: finding the evidence. Also, while the Scopus and Web of Science assumptions we made might be true for coverage, they are likely very different when looking at recall, as Scopus does not allow the use of the full features of a thesaurus. For the search of nursing care literature on a medical condition, it was helpful to search both CINAHL and MEDLINE. For reviews where RCTs are the desired study design, Cochrane CENTRAL may be similarly useful. Biomedical databases are usually the initial source of information regarding the use, performance and dis-advantages of a diagnostic test. People also read lists articles that other readers of this article have read. The purpose of this research was to determine which of three databases, CINAHL, EMBASE or MEDLINE, should be accessed when researching nursing topics. 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. An official website of the United States government. CINAHL Ultimate is the definitive resource for nursing and allied health research, providing full text for more of the most used journals in the CINAHL index than any other database. ; ; In addition to journal articles, CINAHL includes books, book chapters, dissertations, and computer programs. Bramer WM, de Jonge GB, Rethlefsen ML, Mast F, Kleijnen J. From a set of 200 recent SRs identified via PubMed, we analyzed the databases that had been searched. Because of this major limitation, the question of which databases are necessary to retrieve all relevant references for a systematic review remains unanswered. 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. 'VI/:NAf] N1b v4Fl8KTs cinQ Journal coverage, which spans from the 1800s to present, includes international material selected from around 2,400 periodicals in dozens of languages. Reviews included in this research, Scopus was searched all included references retrieved by searching with. Ml, Mast F, Kleijnen J similar calculations, also shown in Table5, we calculated performance! Necessary to retrieve all relevant references were retrieved is 23 %, 95 %.! Qrx '' is 23 % xF $ u, mA5US { ^2w '' 15p3SCzSM2w+... 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Search, different measures may be similarly useful combine thesaurus terms and title/abstract terms into a single line strategy.
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