• Christopher H Fry, David Fluck, and Thang S Han.
• School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol, UK.
• Clin Med (Lond). 2021 Jul 1; 21 (4): e351e356e351-e356.

AbstractFrequent emergency readmissions may associate with health consequences. We examined the association between readmissions within 28 days of hospital discharge and mortality in 32,270 alive-discharge episodes (18-107 years). Data collected between 1 April 2017 and 31 March 2019 are presented as age- and sex-adjusted hazard ratios (HR) with 95% confidence interval (CI).Compared with no readmission, mortality risk over a 2-year period was increased with one non-identical admission-readmission (AR) episode: HR = 2.4 (2.2-2.7), two or more non-identical AR episodes: HR = 3.0 (2.7-3.4), one identical AR episode: HR = 4.7 (3.6-6.1) and two or more identical AR episodes: HR = 5.0 (3.8-6.7). Eight conditions associated with AR episodes had increased risk of mortality including congestive heart failure: HR = 2.7 (2.2-3.2), chronic pulmonary obstructive disease: HR = 3.0 (2.5-3.6), pneumonia: HR = 2.0 (1.8-2.3), sepsis: HR = 2.2 (1.9-2.5), endocrine disorders: HR = 1.9 (1.6-2.3), urinary tract infection: HR = 1.5 (1.3-1.7), psychiatric disorders: HR = 1.5 (1.1-2.1) and haematological disorders: HR = 1.5 (1.2-1.9). Frequent identical AR episodes, particularly from chronic and age-related conditions, are associated with increased mortality.© Royal College of Physicians 2021. All rights reserved.

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