Article | Case–Control Studies |
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Selection | Comparability | Exposure | Quality Score |
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Q1 | Q2 | Q3 | Q4 | Q5 | Q6 | Q7 | Q8 |
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Cercueil [38] | | | | | * | | | | |
Festa [39] | * | * | * | * | * | * | | | |
- Selection: Q1. Is the case definition adequate? Q2. Representativeness of the cases? Q3. Selection of controls? Q4. Definition of controls?
- Comparability: Q5. Comparability of cases and controls on the basis of the design or analysis?
- Outcome: Q6. Ascertainment of exposure? Q7. The same method of ascertainment for case and controls? Q8. Non-response rate?