What Are The Levels of Evidence Pyramid Nursing?

What Are The Levels of Evidence Pyramid Nursing?
December 15, 2020

What Are The Levels of Evidence Pyramid Nursing?

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In nursing, you are required to undergo several units covering different fields of study. In today’s blog, we are here to discuss the level of evidence pyramid nursing which is also known as hierarchy of evidence. It is generally assigned to studies depending on the methodological quality of their applicability, validity, and design to patient care. These processes give the strength of recommendation.   

In evidence-based practice research, the levels of evidence pyramid are one of the ways to organize several evidences. The level of evidence pyramid nursing contains different evidence types and levels such as – 

  • Filtered resources

    a) critically-appraised individual articles

    b) critically-appraised topics

    c) systematic reviews

  • Unfiltered resources

    a) case series, case-controlled studies, and case reports

    b) cohort studies

    c) randomized controlled trials

  • Background information, expert opinion

Levels of Evidence Pyramid

levels of evidence pyramid

The hierarchy of evidence pyramid in nursing offers a way to envision the evidence quality as well as the evidence amount available. For instance, a systematic review is at the top of the pyramid, it means it is both the least common and the highest level of evidence. As you move down to the pyramid, the evidence amount begins to increase whereas the evidence quality tends to decrease.

Let’s understand the level of evidence pyramid nursing with an example - 

  • Filtered Resources

It generally measures the quality of studies and makes practice recommendations. Some of the key types of filtered resources are listed below by our nursing assignment help experts:

Systematic reviews - The authors engaged with a systematic review generally asks for a type of clinical question, eradicate the studies that are done poorly, execute an extensive literature review, and provide recommendation for practice that is based on the well-done studies. It contains only quantitative and experimental studies. Some of the filtered databases where you can find systematic reviews are - 

  • Cochrane Database of Systematic Reviews
  • JBI EBP Database (formerly Joanna Briggs Institute EBP Database)
  • Database of Abstracts of Reviews of Effects (DARE) 

Unfiltered database examples are - 

  • CINAHL Plus with Full Text

Critically-appraised topics - The authors engaged with critically-appraised topics generally examine, synthesize, and evaluate several research studies. These types of topics are often short systematic reviews that mainly concentrate on a particular topic. Being a university student, you need to be aware with the resources where you can easily find the critically-appraised topics for your hierarchy of evidence pyramid in nursing assignments. 

  • Annual reviews
  • Guideline central
  • JBI EBP Database (formerly Joanna Briggs Institute EBP Database)
  • Best BETs
  • National Institute for Health and Care Excellence (NICE)

Critically-appraised individual articles - The critically-appraised individual articles authors mainly examine, and synopsise the research studies of an individual. The best resources to find critically-appraised individual articles are - 

  • Evidence Alerts
  • ACP Journal Club
  • Evidence Based Nursing

If you want to know more about such resources, then avail nursing assignment help with us.  

  • Unfiltered Resources

It has been seen that students failed to find enough information about the topic in the filtered literature and therefore unfiltered or primary literature is required. Being a student, you may know that with unfiltered resources, you are required to review and ensure that the information is reliable, authentic, and valid.

Here are the few unfiltered databases where you can find systematic reviews and few other filtered resources: 

  • cohort studies
  • randomized controlled trials
  • case series, case-controlled studies, and case reports

Being the best and well-known assignment help provider in Australia, we understand that searching for such types of evidence cannot be easy and therefore we have listed the following databases:

  • CINAHL Plus with Full Text 
  • MEDLINE with Full Text
  • Background Information

Expert opinions or background information does not require research studies. It generally includes textbooks, point-of-care resources, conference proceedings, etc.

Family Physicians Inquiries Network: Clinical Inquiries

  • This resource gives you the perfect answers to all your clinical questions by the use of a critical appraisal, structured search, clinical perspective, authoritative recommendations, and rigorous peer review. 

Harrison, T. R., & Fauci, A. S. (2009), Harrison's Manual of Medicine. New York: McGraw-Hill Professional.

  • In this resource, you will find the clinical portions of Internal Medicine developed by Harrison's Principles.

Lippincott manual of nursing practice (8th Ed.) (2006). Philadelphia, PA: Lippincott Williams & Wilkins.

  • Here, you come to get background information for clinical nursing practice.

Medscape: Drugs & Diseases

  • It is an open-access, point-of-care medical reference which contains clinical information from several top pharmacists and physicians in the US and worldwide.

Virginia Henderson Global Nursing e-Repository

It is said to be an open-access repository which contains works done by nurses and are sponsored by the Honour Society of Nursing, and Sigma Theta Tau International. Our experts providing assignment help in Australia say that Virginia Henderson Global Nursing e-Repository has the evidence-based practice articles and expert opinion as well. 

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