Nydahl, PeterLiu, KeibunBellelli, GiuseppeBenbenishty, Julievan den Boogaard, MarkCaplan, GideonChung, Chi RyangElhadi, MuhammedGurjar, MohanHeras-La Calle, GabiHoffmann, MagdalenaJeitziner, Marie MadlenKrewulak, KarlaMailhot, TanyaMorandi, AlessandroNawa, Ricardo KenjiOh, Esther S.Collet, Marie O.Paulino, Maria CarolinaLindroth, Heidivon Haken, RebeccaWDAD Study Group2024-07-182024-07-182024-07-02Nydahl, P, Liu, K, Bellelli, G, Benbenishty, J, van den Boogaard, M, Caplan, G, Chung, C R, Elhadi, M, Gurjar, M, Heras-La Calle, G, Hoffmann, M, Jeitziner, M M, Krewulak, K, Mailhot, T, Morandi, A, Nawa, R K, Oh, E S, Collet, M O, Paulino, M C, Lindroth, H, von Haken, R & WDAD Study Group 2024, 'A world-wide study on delirium assessments and presence of protocols', Age and Ageing, vol. 53, no. 7, afae129. https://doi.org/10.1093/ageing/afae1290002-0729ORCID: /0000-0002-1397-4272/work/164095627https://hdl.handle.net/2164/23856Acknowledgement of collaborative authors: The “WDAD Study Team” comprises of 158 non-author collaborators. They are listed in Appendix 1a in the Supplementary Data. The authors would like to gratefully acknowledge the many participating clinicians for supporting the 2023 WDAD Study Team and survey. They are named in Appendix 1b in the Supplementary Data.10367236engassessmentsdeliriumencephalopathyolder peoplepatient safetyprotocolsquality improvementR MedicineAgeingGeriatrics and GerontologySupplementary DataRJournal article10.1093/ageing/afae129http://www.scopus.com/inward/record.url?scp=85197676110&partnerID=8YFLogxK537