PICO process

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The PICO process is a technique used in evidence based practice to frame and answer a clinical or health care related question.[1][2] The PICO framework is also used to develop literature search strategies.[3] The PICO acronym stands for

P - patient, problem or population

I - intervention

C - comparison, control or comparator[4]

O - outcomes


  1. ^ "EBM - Question Formulation". Retrieved 2010-05-18. 
  2. ^ Huang X, Lin J, Demner-Fushman D (2006). "Evaluation of PICO as a knowledge representation for clinical questions". AMIA Annu Symp Proc: 359–63. PMC 1839740free to read. PMID 17238363. 
  3. ^ Schardt C, Adams MB, Owens T, Keitz S, Fontelo P (2007). "Utilization of the PICO framework to improve searching PubMed for clinical questions". BMC Med Inform Decis Mak. 7: 16. doi:10.1186/1472-6947-7-16. PMC 1904193free to read. PMID 17573961. 
  4. ^ "Chapter 2. Systematic Review Methods -- AHRQ Technical Reviews and Summaries -- NCBI Bookshelf". Retrieved 2010-05-18. 
  5. ^ "PICO". Retrieved 2010-05-18.