Evidence-Based Healthcare Literature

• Formulate a clear clinical question from a patient's problem
• Search the literature for relevant clinical articles
• Evaluate the evidence for its validity and usefulness
• Implement useful findings in clinical practice

(Rosenberg, W. & Donald, A. (1995). Evidence based medicine: An approach to clinical problem-solving. BMJ, 310, 1122-1126).

Use PICOS to develop a clear idea what information you are seeking.

P – Population/Patient/Problem

I  – Intervention

C – Comparison

O – Outcome

S – Setting/Study type

(T) – Time

P:  For what group do you need information?

I:   What medical intervention do you need to study the effect of?

C:  What is the evidence that the intervention produces different results than another intervention or no intervention?

O:  What is the effect of the intervention?

S:  What is the research setting (e.g., ambulatory setting) or type of study (e.g., RCT)?

T:  Is there a timeframe for the outcome?

Alaska Medical Library

aml@uaa.alaska.edu

phone: 907‐786‐1870