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Authors
Beyer, L. P.
von zur Gathen, L. https://orcid.org/0000-0001-9015-2187
El-Rayah, B.
Wolke, M.
Dewald, O.
Schaefer, S. T.
Guenther, U.
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Funding
Funding for this research was provided by:
Carl von Ossietzky Universität Oldenburg
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Article History
Received: 18 November 2025
Accepted: 27 January 2026
First Online: 10 February 2026
Declarations
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: All data presented in this analysis were collected during two prospective studies on delirium (Low cholinesterase activity is a risk factor for delirium after cardiac surgery and “CAM-IMC study). Both studies were approved by the Ethics Committee of the Medical Faculty of the Carl von Ossietzky University Oldenburg, Germany (“Low cholinesterase activity is a risk factor for delirium after cardiac surgery”, No. 2019-001; “ Disorientation as a delirium feature in non-intubated patients: development and evaluation of diagnostic accuracy of the ‘Confusion Assessment Method for Intermediate Care Unit’ (CAM-IMC) - a prospective cohort study ”, No. 2020-020). “Low cholinesterase activity is a risk factor for delirium after cardiac surgery” and “ Disorientation as a delirium feature in non-intubated patients: development and evaluation of diagnostic accuracy of the ‘Confusion Assessment Method for Intermediate Care Unit’ (CAM-IMC) - a prospective cohort study ” are registered in the German registry of clinical studies (DRKS00017144, DRKS00026980), respectively. All patients provided written informed consent. The study adheres to the principles of the Declaration of Helsinki.
: Not applicable.
: The authors declare no competing interests.
