Study designs YES experimental NO Observational Randomization YES
รปแบบการศก ษา (Study designs) มาตรการ / สงทดลอง YES เชงทดลอง (experimental) เชงสงเกต NO (Observational) Randomization YES NO Randomized Controlled Trial (RCT) กลมเปรยบเทยบ (comparison YES group) NO Quasi-experiment Analytic Descriptive -Cohort study -Case-control -Cross-sectional -Case report -Case series -Cross-sectional
10 QUESTIONS TO ASK WHEN CRITICALLY APPRAISING A RESEARCH ARTICLE 1. Is the study question relevant? (��������� ) 2. Does the study add anything new? (����� ) 3. What type of research question is being asked? (������ ) 4. Was the study design appropriate for the research question? (��������� �)Young JM, Solomon MJ, Nature 2009 Source:
10 QUESTIONS TO ASK WHEN CRITICALLY APPRAISING A RESEARCH ARTICLE 6. Was the study performed according to the original protocol? (��������� ) 7. Does the study test a stated hypothesis? (��������� ) 8. Were the statistical analyses performed correctly? (��������� ) 9. Do the data justify the conclusions? (������� ) Source: Young JM, Solomon MJ, Nature 2009
การคำนวณหา Odds ratio ������� A B ���� ��� C D OR = (A/C)/(B/D) = AD/BC odds of exposure among cases = A/C odds of exposure among the controls = B/D odds ratio is a ratio of 2 odds
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