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PICO - Answering the clinical question
PICO is used as a guide to ask questions that can be answered with evidence.
P = Patient or Population
I = Intervention or Indicator
C = Comparison or Control
O = Outcome
Take a look at a great guide from Columbia University.
Hierarchy of Evidence
Source: Sackett DL, Straus SE, Richardson WS, et al. Evidence-based medicine: how to practice and teach EBM.
More Evidence Based Practice Databases
DynaMed This link opens in a new window
Overviews, recommendations, and articles covering evidence-based medical research and drug information. Includes graphics, images, and specialty content.
Cochrane Library This link opens in a new window
Reviews and reports covering child health, genetic disorders, infectious diseases, mental health, public health, and more. Includes clinical answers, protocols, and trials.
PubMed This link opens in a new window
Database for finding journals, books, and other literature covering biomedicine and health, including portions of the life sciences, behavioral sciences, chemical sciences, bioengineering, and more.
AccessMedicine This link opens in a new window
Books, cases, reference works, and multimedia resources covering medical disciplines such as cardiology, internal medicine, obstetrics and gynecology, pediatrics, surgery, and more.