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Evidence-Based Dentistry

Resources to aid oral health providers in making clinical decisions

PICO

A well formed clinical question covers the following 4 areas identified by the acronym PICO.

  • Patient or population or problem
  • Intervention or exposure or prognostic factor
  • Comparison (not always included)
  • Outcome

Medical University of South Carolina Libraries. (2020). PICOTT. https://musc.libguides.com/ebd/PICOTT

How to Phrase Your PICO

THERAPY
In_______________, what is the effect of ________________on _______________ compared with _________________?

ETIOLOGY
Are ______________ who have _______________ at ______________ risk for/of ____________ compared with _____________ with/without ______________?

DIAGNOSIS OR DIAGNOSTIC TEST
Are (Is) ________________ more accurate in diagnosing _______________ compared with ____________?

PREVENTION
For ___________ does the use of _________________ reduce the future risk of ____________ compared with ______________?

PROGNOSIS
Does ____________ influence ______________ in patients who have _____________? 

MEANING
How do _______________ diagnosed with _______________ perceive __________________?

Melnyk, B. M., & Fineout-Overholt, E. (2011). Evidence-based practice in nursing & healthcare: A guide to best practice. Philadelphia: Wolters Kluwer/Lippincott Williams & Wilkins.

Types of Clinical Questions