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We would like to thank Chreiman and colleagues for their well-argued commentary in response to our article on the association between audit filters and opportunities for improvement. 1 2 We are happy that our article has stimulated discussion, both in this journal and elsewhere,3 and we welcome the opportunity to emphasize our main points. For a detailed description of the morbidity and mortality conferences at Karolinska University Hospital, we direct readers to previously published work.4