Table 1.

Questions and responses for identifying fatal flaws

Questions	Responses
How was GRADE-CERQual used?	CORRECT 1. Applied to assess confidence in individual review findings
	FATAL FLAWS 2. Applied as an assessment of general confidence in review findings, or the review itself as a whole 3. Applied as a critical appraisal tool for included studies 4. Applied as a critical appraisal or reporting tool for the review
What type of data were underlying the review findings that GRADE-CERQual was applied to?	CORRECT 1. Qualitative
	FATAL FLAWS 2. Qualitative and Quantitative 3. Quantitative only