Key references: Risk factors for delirium in adults

Ahmed S, Leurent B, Sampson EL. Risk factors for incident delirium among older people in acute hospital medical units: a systematic review and meta-analysis. Age Ageing 2014;43(3):326–33. https://www.ncbi.nlm.nih.gov/pubmed/24610863
Aldecoa C, Bettelli G, Bilotta F, Sanders RD, Audisio R, Borozdina A, et al. European Society of Anaesthesiology evidence-based and consensus-based guideline on postoperative delirium. Eur J Anaesthesiol 2017;34(4):192–214. https://www.ncbi.nlm.nih.gov/pubmed/28187050
Australian Commission on Safety and Quality in Health Care (ACSQHC). Delirium clinical care standard. Sydney: ACSQHC; 2016. https://www.safetyandquality.gov.au/our-work/clinical-care-standards/delirium-clinical-care-standard
Hosker C, Ward D. Hypoactive delirium. BMJ 2017;357:j2047. https://www.ncbi.nlm.nih.gov/pubmed/28546253
Inouye SK, Westendorp RG, Saczynski JS. Delirium in elderly people. Lancet 2014;383(9920):911–22. https://www.ncbi.nlm.nih.gov/pubmed/23992774
Marcantonio ER. Delirium in hospitalized older adults. N Engl J Med 2017;377(15):1456–66. https://www.ncbi.nlm.nih.gov/pubmed/29020579
Pendlebury ST, Lovett NG, Smith SC, Dutta N, Bendon C, Lloyd-Lavery A, et al. Observational, longitudinal study of delirium in consecutive unselected acute medical admissions: age-specific rates and associated factors, mortality and re-admission. BMJ Open 2015;5(11):e007808. https://www.ncbi.nlm.nih.gov/pubmed/26576806
Scottish Intercollegiate Guidelines Network (SIGN) Risk reduction and management of delirium (SIGN 157). Edinburgh: SIGN; 2019. https://www.sign.ac.uk/our-guidelines/risk-reduction-and-management-of-delirium/