PICO Question Examples

Evidence-based models use a process for framing a question, locating, assessing, evaluating, and repeating as needed. PICO (T) elements include: Problem/Patient/Population, Intervention/Indicator, Comparison,Outcome, and (optional) Time element or Type of Study.

 Does hand washing among healthcare workers reduce hospital acquired infections?

The question above includes the PICO elements:

P (Problem or Patient orPopulation) hospital acquired infection
I (intervention/indicator) hand washing
C (comparison) no hand washing; other solution; masks
O (outcome of interest) reduced infection