Predicting Postoperative Delirium in Older Patients Before Elective Surgery: Multicenter Retrospective Cohort Study

Shun-Chin Jim Wu   ^{1, 2, 3 *} , MD, MSc ;   Nitin Sharma   ^{1, 2 *} , MSc ;   Anne Bauch   ^{1, 2} , PhD ;   Hao-Chun Yang   ^{1, 2} , PhD ;   Jasmine L Hect   ⁴ , BSc ;   Christine Thomas   ^{1, 5} , MD ;   Sören Wagner   ^{6, 7} , MD ;   Bernd R Förstner   ⁸ , PhD ;   Christine A F von Arnim   ^{9, 10} , MD ;   Tobias Kaufmann   ^{1, 2, 11} , PhD ;   Gerhard W Eschweiler   ^{1, 2, 12} , MD ;   Thomas Wolfers   ^{1, 2, 11} , PhD ;   PAWEL Study Group   ^{1, 2 *}

¹ Department of Psychiatry and Psychotherapy, University of Tübingen, Tübingen, Germany

² German Center for Mental Health (DZPG), partner site Tübingen, Tübingen, Germany

³ Department of Psychiatry, University of Cambridge, Cambridge, United Kingdom

⁴ Department of Neurological Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States

⁵ Department of Geriatric Psychiatry and Psychotherapy, Klinikum Stuttgart, Stuttgart, Germany

⁶ Department of Anesthesiology, Klinikum Stuttgart, Stuttgart, Germany

⁷ Department of Anesthesiology and Intensive Care, School of Medicine and Health, Klinikum Rechts der Isar, Technical University of Munich, Munich, Germany

⁸ Social and Preventive Medicine, Department of Sports and Health Sciences, University of Potsdam, Potsdam, Germany

⁹ Department of Geriatrics, University Medical Center Göttingen, Göttingen, Germany

¹⁰ German Center for Cardiovascular Research (DZHK), Göttingen, Germany

¹¹ Norwegian Centre for Mental Disorders Research, University of Oslo, Oslo, Norway

¹² Geriatric Center, Universitätsklinikum Tübingen, Tübingen, Germany

*these authors contributed equally