Please, read the following paper
Pressure ulcer prevalence and prevention interventions – A ten-year nationwide survey in Sweden
Källman U, Hommel A, Borgstedt Risberg M, Gunningberg L, Sving E, Bååth C. Pressure ulcer prevalence and prevention interventions - A ten-year nationwide survey in Sweden. Int Wound J. 2022 Nov;19(7):1736-1747. doi: 10.1111/iwj.13779. Epub 2022 Feb 28. PMID: 35224868; PMCID: PMC9615283