Formulating Patient Centered Questions

Defining a clinical question in terms of the specific patient problem aids the searcher in finding clinically relevant evidence in the literature.
P.I.C.O. Model for Clinical Questions: Patient, Population, or Problem; Intervention, Prognostic Factor, or Exposure; Comparison or Intervention (if appropriate); Outcome you would like to measure or achieve; What type of question are you asking? Type of study you want to find.

SEE LINK BELOW :
http://www.uic.edu/depts/lib/lhsp/resources/pico.shtml