Defining Internal and External Evidence

Review the difference between types of evidence available in clinical practice. Refer to the evidence-based levels chart as you discuss the evidence related to your clinical question.

Prevention Oncology PICOT Question

In pediatric oncology patients aged between 10 to 18 years and undergoing intrathecal chemotherapies (P), how would needle form in terms of design and size, and needle orientation before and after the treatment (I) compared to no intervention (C) impact the emergence of post-lumbar puncture headaches (O) within two weeks (T) after the surgery?

See the evidence-based pyramid chart in the textbook. Below is the name of the book in case you have access to it. It is not mandatory to use that chart, you can refer using any other evidence-based level chart. Evidence-Based Practice in Nursing & Healthcare: A Guide to Best Practice

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