The data were first published in 2024 in the National Audit of Dementia Care in General Hospitals 2023-2024 Round 6 Audit Report. This is available at: https://www.rcpsych.ac.uk/improving-care/ccqi/national-clinical-audits/national-audit-of-dementia/national-audit-dementia-round-6. Data are provided at a hospital level and relate to patients with a dementia diagnosis or concerns about cognition, admitted to hospital for 24 hours or longer, between 09/08/2023 and 26/11/2023.