QuestionSBA
QuestionChoice
Cohort studies provide some evidence for causal association. However, they are vulnerable to confounding.
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c
Cohort study
QuestionChoice
These provide the highest quality of evidence and have the lowest risk of bias.
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d
Meta-analysis
QuestionChoice
These studies can be descriptive or analytic, whereas the other studies are all analytic. Cross-sectional studies are also very vulnerable to confounding.
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a
Cross-sectional study
QuestionChoice
These provide the highest quality of evidence and have the lowest risk of bias.
10000985
e
Systematic review
QuestionChoice
RCTs have high-quality evidence for causal association. Randomisation of groups reduces the chances of confounding. They are experimental analytical studies.
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b
Randomised control trial
Concept
Chapter
2693
3862
Statistical concepts
Topic
178
Medical Statistics
12743
Which type of study provides lower-quality evidence than a case-control study?
a