lecture 4 - systematic reviews & meta-analyses Flashcards
1
Q
What does PECOT stand for?
A
Population, Exposure, Comparison, Outcome, Time
2
Q
What tool is used for quantitative synthesis of findings in a systematic review?
A
meta-analysis
3
Q
What is a meta-analysis?
A
A statistical analysis generating weighted averages of multiple studies to give a better estimate of the true association.
4
Q
How are studies weighted for meta-analysis?
A
based on sample size, uncertainty, subgrouping, etc.
5
Q
What is heterogeneity in a meta-analysis?
A
Assesses the variability of the point estimates across the studies - a %, where 0% is no heterogeneity (all studies have same effect)
