PICO clarifies and focuses questions that arise during a patient assessment. It identifies and organizes the key aspects of a complex patient presentation to help you brainstorm keywords for your literature search, refine your search for the best results, and save time.
brainstorming keywords for your research
Patient, Population, or Problem
Intervention, Indicator, Variable of Interest
Comparison, Control, or Usual Care
PICOT: Some models add Time: the time it takes to demonstrate an outcome (e.g. the time it takes for the intervention to achieve an outcome or how long participants are observed).
PICOTT: Others add Type of Question and Type of Study to the PICO framework to create PICOTT reminds you that different types of study designs are used to answer different types of questions.
Type of Question (e.g.,Therapy or Diagnosis)
Type of Study (e.g., Systematic Review of RCTs > individual RCTs > cohort studies)