Notas metodológicas

Published on 28 de octubre de 2022 | http://doi.org/10.5867/medwave.2022.09.2622

Systematic reviews: Key concepts for health professionals

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Question structure in the PICO/PECO format.
Patient or populationThe subject of interest, to whom the intervention is applied, and in whom the intervention results are sought.It should describe the most important aspects of the specific clinical scenario, excluding redundant or irrelevant data.
Intervention or ExposureIt can be a pharmacological therapy, surgical procedure, alternative medicine, or diagnostic test.
ComparisonThe standard course of action for the clinical scenario that generates the question. Sometimes, it may be a dispensable element, depending on the nature of the question.
OutcomeIt is the targeted situation, it can be a prognostic, diagnostic, or therapeutic outcome, the latter being the most common.

Source: prepared by the authors based on [23,24].