PICO：它是什么，以及它不是什么。
PICO: What it is and what it is not.
机构信息
School of Nursing and Human Physiology, Gonzaga University, USA.
Foley Library, Gonzaga University, USA; University of Washington, School of Nursing, USA.
出版信息
Nurse Educ Pract. 2021 Oct;56:103194. doi: 10.1016/j.nepr.2021.103194. Epub 2021 Sep 2.
AIM
To assess the role and effectiveness of the mnemonic PICO (Population, Intervention, Comparator and Outcome) in evidence-based practice (EBP) pedagogy.
BACKGROUND
The mnemonic "PICO" is a well-established tool in nursing EBP pedagogy. Nevertheless, application of this tool in nursing curricula is not currently supported by evidence of its effectiveness. Further, there are reports that PICO as a tool is unhelpful in the classroom.
DESIGN/METHODS: We reviewed the literature on PICO; specifically, the mnemonic's origin, purpose, and effectiveness in practice.
RESULTS
Our analysis reveals that PICO is limited in terms of its effectiveness and scope of inquiry.
CONCLUSION
A reevaluation of PICO's role in nursing pedagogy is essential. To start, we propose a de-emphasis on PICO as an exclusive or preferred tool, and an emphasis on critical evaluation of the literature, and the whole of the EBP process. We propose a search for more effective methods to improve matching native clinical questions to the retrieval of data that informs patient care.
目的
评估助记符 PICO（人群、干预、对照和结果）在循证实践（EBP）教学中的作用和效果。
背景
助记符“PICO”是护理 EBP 教学中一种成熟的工具。然而，目前没有证据表明该工具在护理课程中的应用具有有效性。此外，有报道称 PICO 作为一种工具在课堂上没有帮助。
设计/方法：我们回顾了关于 PICO 的文献；具体来说，是该助记符的起源、目的和在实践中的有效性。
结果
我们的分析表明，PICO 在有效性和探究范围方面存在局限性。
结论
有必要重新评估 PICO 在护理教学中的作用。首先，我们建议不将 PICO 作为唯一或首选工具，而是强调对文献进行批判性评估，以及整个 EBP 过程。我们建议寻找更有效的方法来改善将本地临床问题与检索数据以告知患者护理的匹配。
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