Defined term · Evidence assessment
PICO
The four elements that define a review question: population, intervention, comparator and outcome. The Institute registers a PICO frame before searching and records any subsequent change as a…
§1PICO
§1.2Category
Evidence assessment — Terms describing how the Institute judges and reports the strength of evidence.
§1.3Related terms
- Evidence synthesis — A document answering a structured question by identifying, appraising and combining the studies that bear on it, according to a protocol registered before the search was…
- Protocol registration — The recording of a review question, eligibility criteria and analysis plan before the search is executed. Registration is what makes a subsequent change identifiable as…
Compound Evidence Institute · CEI-GT-020 · https://compoundevidence.com/glossary/pico/ · retrieved 30 July 2026