Is PubMed enough for systematic review?

NCBI PubMed is the de facto bibliographic database for biosciences but has been shown to be insufficient for the purpose of systematic review and meta-analysis, which requires comprehensiveness. Among bibliographic databases, Google Scholar is most comprehensive.

Which database to use for systematic review?

For many Systematic Reviews, a search of the large citation databases, such as MEDLINE, the Cochrane Library, Scopus, and Web of Science, is sufficient. A more comprehensive Systematic Review will also search other sources, including a search of the Grey Literature.

What is the minimum database for systematic review?

You will want to search at least three databases for your systematic review. Three databases alone does not complete the search standards for systematic review requirements. You will also have to complete a search of the grey literature and complete additional hand searches.

Which academic search systems are suitable for systematic review?

For example, Web of Science Core Collection provided by Clarivate Analytics, Scopus provided by Elsevier, and Google Scholar (for forward citation searching only).

How do you do a systematic review on PubMed?

Methods: The steps of a successful systematic review include the following: identification of an unanswered answerable question; explicit definitions of the investigation's participant(s), intervention(s), comparison(s), and outcome(s); utilization of PRISMA (Preferred Reporting Items for Systematic Reviews and Meta- ...

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How many articles do I need for a systematic review?

However, there is no set minimum number of studies to include in a systematic review. There's also no maximum number of studies that is too much to include. The more studies you examine, the more informative your research will be.

What is systematic review in research PubMed?

A systematic review is a type of study that synthesises research that has been conducted on a particular topic. Systematic reviews are considered to provide the highest level of evidence on the hierarchy of evidence pyramid. Systematic reviews are conducted following rigorous research methodology.

Should I use Google Scholar for systematic review?

If used in systematic reviews for grey literature, we recommend that searches of article titles focus on the first 200 to 300 results. We conclude that whilst Google Scholar can find much grey literature and specific, known studies, it should not be used alone for systematic review searches.

Can you use Google Scholar for systematic review?

A further study (Bramer et al, 2016) concludes "Despite its vast coverage of the scholarly literature, Google Scholar (GS) is not sufficient to be used on its own as a single database to support SR searching. The reason for this is not low precision in GS searching, which is comparable to traditional databases.

Why is PubMed a good database?

PubMed is a free resource supporting the search and retrieval of biomedical and life sciences literature with the aim of improving health–both globally and personally. The PubMed database contains more than 36 million citations and abstracts of biomedical literature.

What is the difference between PubMed and MEDLINE?

Pubmed is an interface used to search Medline, as well as additional biomedical content. Ovid Medline is an interface for searching only Medline content. Pubmed is more user-friendly and allows you to search through more content than Ovid Medline. However, Ovid Medline allows you to perform a more focused search.

What do you need for a systematic review?

What are the requirements of a systematic review?

Systematic review/meta-analysis steps include development of research question and its validation, forming criteria, search strategy, searching databases, importing all results to a library and exporting to an excel sheet, protocol writing and registration, title and abstract screening, full-text screening, manual ...

What is the difference between PubMed and Cochrane?

Whereas PubMed as an unfiltered source of primary literature comprises all different kinds of publication types occurring in academic journals, The Cochrane Library is a pre-filtered source which offers access to either synthesized publication types or critically appraised and carefully selected references.

Is PubMed a database or search engine?

PubMed is a free search engine to search about medicine and biomedical journal literature. It searches several databases and interfaces Medline, directly.

Is PubMed a database?

This disclaimer relates to PubMed, PubMed Central (PMC), and Bookshelf. These three resources are scientific literature databases offered to the public by the U.S. National Library of Medicine (NLM).

Is PubMed Central reliable?

PubMed is a free and publicly available resource provided by the US National Library of Medicine. It covers the biomedical literature and, as the free version of MEDLINE, is highly authoritative. Pros and Cons: Advantages of using PubMed: It is a huge, reliable, and highly authoritative resource.

Why not to use Google Scholar for research?

Disadvantages of Using Google Scholar

It has yet to reveal what criteria they are using to select "scholarly" material. Results often vary in quality and it is up to the researcher to determine which of the results are suitable for their purposes.

Why not to use Google Scholar?

What is better than a systematic review?

The fundamental rationale of meta-analysis is that it reduces the quantity of data by summarizing data from multiple resources and helps to plan research as well as to frame guidelines.

Is 5 studies enough for a systematic review?

There is no upper or lower limit on how many results a systematic review search should retrieve. The number of results will depend on research question/topic, scope, inclusion/exclusion criteria, sensitivity of strategy, number of databases searched.

What is considered GREY literature?

Grey literature is information produced outside of traditional publishing and distribution channels, and can include reports, policy literature, working papers, newsletters, government documents, speeches, white papers, urban plans, and so on.

What is the difference between review and systematic review on PubMed?

Subjective narrative review articles have an educational and informative role in medical and scientific journals. Systematic review of the literature requires an objective and complete review of all available publications on an identified topic.

What are the benefits of systematic reviews in PubMed?

Systematic reviews retrieve, appraise and summarise all the available evidence on a specific health question. They are designed to reduce the effect of the reviewers' own bias, and a full protocol should be written to define and guide the process.

What are the 7 steps of a systematic review?