To formulate a clinical question, use the PICO format.
PICO or PICOT stands for the following:
|P||Patient or Problem|
Different types of questions are answered best by different types of studies.
The following table will help you identify the best studies for your clinical question.
|Question Type||Best Type of Study|
|Treatment||Systematic Review / RCT|
|Diagnosis||Systematic Review / Cross-sectional|
|Etiology / Harm||Systematic Review / Cohort / Case-control|
|Prognosis||Systematic Review / Cohort|
View definitions for these study types in the Glossary.