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Nursing: Getting Started

The PICO Model

PICO is a useful way of formulating clinical research questions and a well-build question or problem should include the four components of the model: Patient/Problem, Intervention, Comparison and Outcome

PICO Linguist is a tool from the NLM that lets you search for research with terms that incorporate the PICO model. Using it, you can limit your search results to certain types of studies (clinical trials, randomized controlled trials, etc.) or to practice guidelines. 

Patient/Problem   Describe the patient.  Important descriptors might include: age and gender.  Then describe the problem the patient is experiencing.  For example, you might say, "A four-year-old boy with asthma"
Intervention Describe the treatment you are considering for the patient.  This may be a drug, such as "theophylline" for the child with asthma
Comparison Ask yourself what main alternative therapy exists for the problem.  Example: "inhaled glucocorticosteroids"
Outcome Ask yourself what result you want to see because of the therapy.  Example: "decreased hospitalizations and school abscences"

WHAT IS EVIDENCE-BASED PRACTICE?

In this guide you'll find tutorials and resources to help you with the process of finding the literature you need for identifying evidence to support evidence-based practice. Some resources appear in multiple places, and those resources tend to be versatile and very helpful.

 

 

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