WHAT IS A SYSTEMATIC REVIEW

An Academic presentation byDr. Nancy Agens, Head, Technical Operations, Pubrica Group: www.pubrica.comEmail: sales@pubrica.com

In brief

Introduction

What makes an Excellent Systematic Review

Different types of Reviews

Differences between Systematic and Literature Reviews

Conclusion

Outline

Today's Discussion

A systematic review is a secondary research as it requires a careful analysis of the quality, quantity, and consistency of research findings. Sy

stematic reviews formulate research questions that are specifically targeted and designed to provide a complete summary of the issue based on evidence. The methodology used in systematic reviews is specific and precise, which intends to minimize bias by increasing the reliability of the

drawn conclusion.

In Brief

A systematic review is a process of identifying comprehensive studies for a research specific question through evaluating the methods of the study, summarizing the results, presenting key findings and identifying reasons for produced results across the study.

In a systematic review, the compiled information tends to be explicit and more transparent using reproducible methods.

The produced results of a systematic review can be summarized either in text or graphicform, and it depends upon the nature of the primary data.

The PRISMA, provides a set of regulations on how to report a systematic review.

Introduction

What makes an Excellent Systematic Review?

A good systematic review will include,

A focused question

Inclusion/exclusion criteria

Search strategy

Study selection

Assess the quality of studies

Synthesize study results

Analysis and limitations Contd..

1. FOCUSED QUESTION

a systematic review is a research method used to address a specific research question and formulating a well-constructed research question is essential for a successful review.

2. INCLUSION/EXCLUSION CRITERIA

It studies the writers included or excluded and the reason.

3. SEARCH STRATEGY

The reviewer must explain the methods used for finding relevant studies which include published and unpublished clinical trial reports, online database search, as well as approaching experts in finding unpublished data.

Contd..

4. STUDY SELECTION

Need to identify suitable study criteria and collect relevant data for conducting a systematic review.

5. ASSESS THE QUALITY OF STUDIES

It helps in identifying the risk of bias in secondary research.

6. SYNTHESIZE STUDY RESULTS

Upon similarity on the included data, the author must determine the effectiveness of an intervention using meta-analysis.

7. ANALYSIS AND LIMITATIONS

The review should discuss the addressed area of study, the findings, and how the review results change the existing limitations.

Different types of Reviews:

There are many types of reviews addressing questions of effectiveness, questions about the prevalence of diagnostic accuracy, and prognosis. Different types of reviews include,

Literature Review

Meta-analysis

Rapid review

Scoping review S

ystematic review

Systematized review

Umbrella review

Differences between Systematic and Literature Reviews

Mainly focused on one question.

It follows peer review protocol or plan. Study-specific objectives are identified. A systematic search will be conducted. Clear and explicit.Research question specific information extraction.

It describes an overview and not based on a single question.It has no protocol.No such objectives will be identified. Search strategy will not be mentioned. Not describedExtracting relevant information is not specific to a single question

Systematic Review Literature Review

In summary, a systematic review is a search of all sources of evidence for relevant studies or on research question specific study.

Predetermined reproducible criteria to screen for eligibility and relevance assessmentof titles and the abstracts will be followed.

Each study will then be assessed in terms of methodological quality, and finally, the evidence is synthesized.

Conclusion

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