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Flashcards in 14) Systematic Reviews Deck (10)
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1
Q

Systematic reviews

A
Defined literature search
Thorough
- appraisal of individual studies identified
- summary of these studies 
- either descriptive OR metaanalysis
2
Q

MEtaanalysis

A
  • stastical technique for combining data from multiple similar studies into a quantitative summary statistic
3
Q

Systematic reviews and metaanalysis

A
  • not all systemtic reviews are metaanalysis and vice versa
4
Q

Why do we need systematic reviews

A
  • increase power to detect intervention effects
  • explore between study differences
  • cope with the amount of medical literature
  • systematic
5
Q

Appropriate inclusion criteria

A

Explicitely given before results analysed

  • matched to research question asked
  • methodological standards of included studies
6
Q

Complete data?

A
  • poor search
  • publication bias
  • location bias
  • duplication bias
7
Q

Will the treatment recomendation be clear from a systematic review?

A
  • sometimes
8
Q

Should systematic reviews only be done on placebo-controlled trials?

A
  • new treatments should always be compared to the best treatment available
9
Q

Is a meta analysis
A) a statistical technique for detecting bias?
B) A statistical technique for combining data from studies into a quantitative summary statistic
C) An analysis of meta data?

A

B) a statistical technique for combining data from studies into a quantitative summary statistic

10
Q

True or false: including data from a conderence abstract in a systematic review will introduce bias because the research has not been peer reviewes

A

False: its all about publication bias