PICO is a retrieval method of formatted information based on EBM theory. Short names for participants, interventions, comparisons and results. PICO divides each question into four parts: participants, interventions, comparisons and results.

Here can refer to the object, intervention (treatment means, examination method), comparison (difference from other treatments or examinations) and prognosis (expected purpose) respectively. Providing more details will get more accurate search results and avoid information overload through accidental search.

Extended data:

China Evidence-based Medicine Center in China was formally established in West China Hospital (formerly the First Affiliated Hospital of West China University of Medical Sciences) on July 1996, approved by the Ministry of Health on July/997, and officially approved by the Steering Committee of International Cochrane Collaboration Network on March/999/0/.

China Evidence-based Medicine Center has 10 full-time and part-time backbones, and many clinical professionals from West China Hospital and more than 20 domestic brother universities participate in it. The establishment and operation of the center has been supported by the Ministry of Health, the National Natural Science Foundation of China and Huaxi Hospital, and has been funded by relevant foreign academic groups or organizations (including new york Chinese Medical Foundation, Sino-Australian institutional cooperation project, World Health Organization, etc.). ).

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