Kosjerina, Vanja http://orcid.org/0000-0002-5082-3801
Carstensen, Bendix http://orcid.org/0000-0002-5161-2192
Amadid, Hanan http://orcid.org/0000-0001-5759-4960
Vistisen, Dorte http://orcid.org/0000-0001-5045-5351
Funding for this research was provided by:
Sanofi Aventis
Article History
Received: 21 March 2023
Accepted: 21 June 2023
First Online: 28 July 2023
Acknowledgements
: We are grateful to the Danish Clinical Registries (RKKP) for providing access to the Danish Adult Diabetes Registry and Database for Screening of Diabetic Retinopathy and Maculopathy, which were used for the construction of the diabetes register.
: According to Danish law, ethics approvals are not required for registry-based studies. Access and use of the described data were approved by the Danish Data Protection Agency (j-No. VD-2019-197) and the Danish Patient Safety Authority (j-No. 3-3013-2959/1). Data are not publicly available, but access is granted on approval from the different sources.
: This work was supported by Sanofi-Aventis
: BC, HA and DV own shares in Novo Nordisk. DV has received research grants from Bayer, Sanofi-Aventis, Novo Nordisk and Boehringer Ingelheim. HA is currently employed by Novo Nordisk. VK declares that there are no relationships or activities that might bias, or be perceived to bias, their work.
: VK, BC, HA and DV were involved in the conception, design and conduct of the study and the analysis and interpretation of the results. VK wrote the first draft of the manuscript and all authors edited, reviewed and approved the final version. VK, HA and BC are the guarantors of this work and, as such, had full access to all the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. The authors declare that the results of the study are presented clearly, honestly and without fabrication, falsification or inappropriate data manipulation.