Undiagnosed delirium is frequent and difficult to predict: Results from a prevalence survey of a tertiary hospital

Journal of Clinical Nursing
Peter W LangeAndrea B Maier

Abstract

To study the prevalence and determinants of undiagnosed delirium in a tertiary hospital. Delirium is a common inpatient condition. It is frequently undiagnosed in a variety of settings, but determinants of undiagnosed delirium are largely unknown, and the frequency of undiagnosed delirium across all inpatient units is uncertain. The utility of hospital-wide screening then is also uncertain. Hospital-wide prevalence study conducted over 4 months, using a chart-based method. Gender, age, admitting unit, history of dementia and comorbidity were used in univariate and multivariate analyses to search for differences in patients with no delirium, with undiagnosed delirium and with diagnosed delirium. Sensitivity, specificity and number needed to screen were calculated from proportions in each group. Study was conducted in concordance with STROBE guidelines. Delirium was prevalent in 12.5% of all patients and undiagnosed in 24.1% of patients. Only age ≥65 years and a history of dementia predicted delirium, and undiagnosed delirium in both univariate and multivariate analyses. Age ≥65 years accounts for 92.3% sensitivity and 50.8% specificity for undiagnosed delirium in this group. History of dementia had a 23.0% sensitivity and 97.0% ...Continue Reading

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Citations

Oct 21, 2020·International Journal of Environmental Research and Public Health·Eunhye JeongJuneyoung Lee

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