Key performance measure	Lesion detection rate
Description	Percentage of DAEs with detected pathology
Domain	Identification of pathology
Category	Process
Rationale	Patients for DAE should be carefully selected to maximize diagnostic yield. Overall pathology detection rates for SBCE and DAE vary according to indication. The indications for both SBCE and DAE procedures should be regularly audited with adherence to guidelines; reasons for variation should be examined
Construct	Denominator: All patients undergoing DAE Numerator: Patients undergoing DAE for an appropriate clinical indication, as stated in recognized clinical guidelines (e.g. ESGE), where pathology is detected Exclusions: None Calculation: Proportion (%) Level of analysis: Service and individual level Frequency: Yearly and/or for a sample of 100 DAEs
Standards	Minimum standard: ≥50% Target standard: ≥50% Indication for DAE should be reported for all procedures If the minimum standard is not reached, analysis of the factors influencing patient selection should be performed After evaluation and adjustment, close monitoring should be performed with a further audit within 12 months
Consensus agreement	96.3%
PICO numbers	5, 7, and 8 (see Supporting information, DAE file)
Evidence grading	Very low quality of evidence