• J Intensive Care Med · Oct 2017

    The Association of Age With Short-Term and Long-Term Mortality in Adults Admitted to the Intensive Care Unit.

    • Raghu R Seethala, Kevin Blackney, Peter Hou, KaafaraniHaytham M AHMA4 The Division of Trauma, Emergency Surgery and Surgical Critical Care, Department of Surgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA., Daniel Dante Yeh, Imoigele Aisiku, Christopher Tainter, Marc deMoya, David King, and Jarone Lee.
    • 1 Department of Emergency Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA.
    • J Intensive Care Med. 2017 Oct 1; 32 (9): 554-558.

    BackgroundBased on the current literature, it is unclear whether advanced age itself leads to higher mortality in critically ill patients or whether it is due to the greater number of comorbidities in the elderly patients. We hypothesized that increasing age would increase the odds of short-term and long-term mortality after adjusting for baseline comorbidities in intensive care unit (ICU) patients.MethodsWe performed a retrospective cohort study of 57 160 adults admitted to any ICU over 5 years at 2 academic tertiary care centers. Patients were divided into age-groups, 18 to 39, 40 to 59, 60 to 79, and ≥80. The primary outcomes were 30-day and 365-day mortality. Results were analyzed with multivariate logistic regression adjusting for demographics and the Elixhauser-van Walraven Comorbidity Index.ResultsThe adjusted 30-day mortality odds ratios (ORs) were 1.39 (95% confidence interval [CI]: 1.21-1.60), 2.00 (95% CI: 1.75-2.28), and 3.33 (95% CI: 2.90-3.82) for age-groups 40 to 59, 60 to 79, and ≥80, respectively, using the age-group 18 to 39 as the reference. The adjusted 365-day mortality ORs were 1.46 (95% CI: 1.32-1.61), 2.10 (95% CI: 1.91-2.31), and 2.96 (95% CI: 2.67-3.27).ConclusionIn critically ill patients, increasing age is associated with higher odds of short-term and long-term death after correcting for existing comorbidities.

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