Author Contributions: Dr Ferlitsch had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Study concept and design: Ferlitsch, Pramhas, Trauner, Weiss.
Acquisition of data: Ferlitsch, Reinhart, Pramhas, Wiener, Gal, Bannert, Hassler, Kozbial.
Analysis and interpretation of data: Ferlitsch, Dunkler, Trauner.
Drafting of the manuscript: Ferlitsch, Dunkler, Trauner.
Critical revision of the manuscript for important intellectual content: Ferlitsch, Reinhart, Pramhas, Wiener, Gal, Bannert, Hassler, Kozbial, Dunkler, Trauner, Weiss.
Statistical analysis: Dunkler.
Obtained funding: Reinhart, Pramhas, Wiener, Gal, Bannert, Hassler.
Administrative, technical, or material support: Reinhart, Pramhas, Wiener, Gal, Bannert, Hassler, Kozbial, Trauner.
Study supervision: Ferlitsch, Weiss.
Conflict of Interest Disclosures: All authors have completed and submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest and none were reported.
Funding/Support: The Quality Certificate for Screening Colonoscopy project was conducted in cooperation with the Main Association of Austrian Social Security Institutions and funded by the Fund for Preventive Check-ups and Health Promotion (fund § 447h ASVG).
Role of the Sponsor: The funding organizations had no role in the design and conduct of the study; in the collection, analysis, and interpretation of the data; or in the preparation, review, or approval of the manuscript.
Additional Contributions: We thank Wolfgang Vogel, MD, Department of Gastroenterology and Hepatology, Medical University of Innsbruck, Austria; Friedrich Renner, MD, Department of Internal Medicine, Krankenhaus der Barmherzigen Schwestern Ried/Innkreis, Austria; and Peter Knoflach, MD, Department of Internal Medicine I, Klinikum Wels, Wels, Austria, and the Austrian Society of Gastroenterology and Hepatology (OEGGH), for their support in the realization of this Austria-wide project and for proofreading. We thank Sabine Stowasser, DrJur, and Elisabeth Fasching, Mag(FH), Main Association of Austrian Social Security Institutions, Vienna, Austria, for their support in the organization. We thank all participants of the project for their support and data input. No one received compensation for the contributions.