ArticleJournal of applied gerontology : the official journal of the Southern Gerontological Society2026
Failure to Re-identify and Manage Known Dementia Associated With Hospital Readmission and LOS: A Retrospective Cohort Study.
Article in Journal of applied gerontology : the official journal of the Southern Gerontological Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The extent to which known dementia is re-identified and managed during hospitalization and the impact of this on patient outcomes warrant investigation. Among 7,919 patients with an index admission coded with dementia between 1 July 2006 to 30 June 2015 in a regional health district in Australia, we examined total length of stay (LOS) and Difference from Expected LOS (using mixed linear regression and quantile regression), and 30-day readmission (using a generalized linear mixed model). In models adjusted for age, complexity, specialty, and discharge destination, uncoded stays had significantly shorter total LOS (β = -2.9, 95% CI: -3.5, -2.3) and Difference from Expected LOS (β = -5.2, 95% CI: -5.8, -4.6). Quantile regression results confirmed these findings but were smaller in effect size. People without dementia coded were 1.2 times more likely to be re-readmitted (95% CI: 1.1, 1.3) than when coded. Consistent re-identification and active management of known dementia is needed to improve long-term patient and health system outcomes.
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