Hi Dharmendra,
The Systematic Review approach may be a little different than a non-systematic or narrative review. The Systematic Review approach is typcially used to ensure that your methods can be replicated by future researchers. I often tell my students to think of the "systematic" part as a "research road map" that gives directions to other scientists, and leads them through all of the twists and turns you encountered before arriving at your final product. Because of this, we try to document the exact search terms used, the specific search terms used, reasons for excluding full text articles, etc. Some would argue that the systematic review, when performed properly, reduces the likelihood of potential bias that a narrative review may have when the author is allowed to select the articles for their review on their own. With a systematic review, however, I usually have the perspective that other important articles (that may not have met the inclusion criteria) can potentially be included in the discussion section to help frame your topic in the broader context of the cumulative body of research.
The PRISMA guidelines should help provide some guidance.
http://www.prisma-statement.org
Hopefully that helps,
Mike
Hi Kumar,
To my knowledge, systematic review is a kind of review with higher level of evidence because of rigorous methodology.
Normally a review article presents background, definitions, and opinions with some researches, but it is not required to report information about how the researches were selected. Consequently, the conclusions in this kind of review article may be biased by evidence selection.
In contrast, the methodology of systematic review requires researchers to synthesize evidences through a systematical process. A systematic review should propose a specific question with keywords and define clear criteria for evidence selection. Then, systematic review researchers should try their best to obtain the relevant evidences of the topic and select evidence according to the eligible criteria. Consequently, the evidence selection can be represented in future. Other researchers can find similar results via repeating the process. Therefore, systematic review is considered a higher level of evidence than general review article.
Regards
Kang
A systematic review is a review performed according to several chosen criteria with consideration to the accuracy and adequacy. Also, the word systematic might refer to the periodical occurrence of this review. Moreover, such criteria might be identified by governed weights suggested by specialists.
A review is made generally without considering any referent criteria. For example, a book is reviewed in general or in a specific point of view.
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