Review:
Case Control Studies
overall review score: 4.2
⭐⭐⭐⭐⭐
score is between 0 and 5
Case-control studies are a type of observational study in which subjects are selected based on their disease status and compared to those without the disease to investigate potential causes or risk factors.
Key Features
- Study design where cases and controls are selected before the study starts
- Retrospective in nature
- Can be used to investigate rare diseases or outcomes
- Efficient for studying diseases with long latency periods
- Can estimate odds ratios as a measure of association
Pros
- Useful for studying rare diseases or outcomes
- Can be conducted relatively quickly and at a lower cost compared to cohort studies
- Allows for investigation of multiple exposures and outcomes simultaneously
Cons
- Prone to selection and recall bias
- Cannot establish temporality or causality definitively
- Relies on accurate recall of exposure history from participants