Aim: The aim of this study was to investigate the relative importance of key factors affecting the likelihood of hospital acquired pressure ulcers, thus offering the groundwork for the development of an empirically-based risk assessment scale. It also evaluated the predictive performance of the underlying empirical model and compared its classification ability with the empirically observed ability of the Waterlow risk assessment scale.
Background: Pressure ulcers impose a significant burden on patients and carers and demand substantial resources from the health care system.
This study presents data from a prospective cohort study of 213 in-patient admissions of people over 65. Logit analysis was used to investigate the relative contribution of a range of risk factors to the risk of pressure ulcer occurrence, as a basis for development of improved risk assessment tools. It was found that for this population, a model containing the Waterlow risk factors appetite, continence, skin condition and age, plus diagnosis, performed better than one based on the complete set of Waterlow factors.
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