Meta Analysis Flashcards
5 steps on Evidence-Based Practise
- Patient with problems
- Formulate answerable clinical questions
- Search for the evidence
- Critical Appraisal
- Apply the evidence
Steps of a Systematic
Review following Cochrane Methods
Identification, selection, abstraction, analysis
How to read and appraise SR
Validity: The (Q)FAITH Tools
Question, Find, Appraise, Include, Total Up, Heterogenity
Importance
Applicability
Total Up
Apakah hasil studi tersebut dipresentasikan dengan baik
Method section isinya?
Kriteria inklusi, eksklusi, studi design
Publication Bias
-Studi dengan hasil negatif sering tidak dipublikasikan -disubmit di jurnal lokal -jumlah sampel kecil Dipengaruhi farmasi
Solusi:
- inception di trial registers
- …
- Funnel Plot: to assess publication bias in MA
Small sudy effect
outcome yg kita teliti memiliki sampel size yg kecil
- Fixed effext model: Effect estimate dipengaruhi bobot tiap studi –> makin besar sample size –> bobot lebih besar
- random effect model: memungkinkan sample size kecil bs berefek jg
Bias pada SR-MA
Publication Bias
7 Domain:
- Selection Bias: random, allocation
- Performance Bias: blinding (participants, personel)
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