Clinical Scenario
Step 1: Ask an answerable
clinical question--P. I. C. O.
Patient / Problem :
Intervention / Exposure:
Comparison:
Outcome:
PICO
Question:
•
•
•
•
Patient / Problem :
Intervention / Exposure:
Comparison:
Outcome:
Step 2: Effective searches
for the best Evidence
搜尋策略的設計表
SEARCH STRATEGY DESIGN TABLE
主要詞彙
Primary Term
同義字 Synonym 1
同義字 Synonym 2
P
OR
OR
AND
I
OR
OR
AND
C
OR
OR
AND
O
OR
OR
AND
實際搜尋
ACTUAL SEARCHES
Cochrane 搜尋
文獻數
PubMed 搜尋
文獻數
Step 3: Critically appraise that
evidence for its validity and
importance
A. Are the results of this clinical
decision analysis valid?
1. Were all the important therapeutic
alternatives (including no treatment) and
outcomes included?
本文獻： □Yes □No □Unclear
評論Comment：
2. Are the probabilities of the outcomes valid
and credible?
本文獻： □Yes □No □Unclear
評論Comment：
3. Are the utilities of the outcomes valid and
credible?
本文獻： □Yes □No □Unclear
評論Comment：
4. Was the robustness of the conclusion
tested?
本文獻： □Yes □No □Unclear
評論Comment：
B. Are the valid results from this
decision analysis important ?
5. Did one course of action lead to clinically
important gains?
本文獻： □Yes □No □Unclear
評論Comment：
6. Was the same course of action preferred
despite clinically sensible changes in
probabilities and utilities?
C. Are the valid, important results of
this decision analysis applicable to our
patient?
7. Do the probabilities apply to our patient?
8. Can our patient state his/ her utilities in a
stable, usable form?