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Outcomes of elderly critically ill medical and surgical patients: a multicentre cohort study

Overview of attention for article published in Canadian Journal of Anesthesia/Journal canadien d'anesthésie, December 2016
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Title
Outcomes of elderly critically ill medical and surgical patients: a multicentre cohort study
Published in
Canadian Journal of Anesthesia/Journal canadien d'anesthésie, December 2016
DOI 10.1007/s12630-016-0798-4
Pubmed ID
Authors

Ian M. Ball, Sean M. Bagshaw, Karen E. A. Burns, Deborah J. Cook, Andrew G. Day, Peter M. Dodek, Demetrios J. Kutsogiannis, Sangeeta Mehta, John G. Muscedere, Alexis F. Turgeon, Henry T. Stelfox, George A. Wells, Ian G. Stiell

Abstract

Very elderly (over 80 yr of age) critically ill patients admitted to medical-surgical intensive care units (ICUs) have a high incidence of mortality, prolonged hospital length of stay, and dependent living conditions should they survive. The primary purpose of this study is to describe the outcomes and differences in outcomes between very elderly medical patients and their surgical counterparts admitted to Canadian ICUs, thereby informing decision-making for clinicians and substitute decision-makers. This was a prospective multicentre cohort study of very elderly medical and surgical patients admitted to 22 Canadian academic and non-academic ICUs. Outcome measures included ICU length of stay and mortality, hospital length of stay and mortality, and disposition following hospital discharge. There were 1,671 patients evaluated in this study. Patient demographics included a mean age of 84.5 yr, baseline Acute Physiology and Chronic Health Evaluation (APACHE) II score of 22.4, baseline Sequential Organ Failure Assessment (SOFA) score of 5.3, overall ICU mortality of 21.8%, and overall hospital mortality of 35.0%. Medical patient median ICU length of stay was 4.1 days, hospital length of stay was 16.2 days, ICU mortality was 26.5%, and hospital mortality was 41.5%. Surgical patient median ICU length of stay was 3.8 days, hospital length of stay was 20.1 days, ICU mortality was 18.7%, and hospital mortality was 31.6%. Only 45.0% of medical patients and 41.6% of surgical emergency patients were able to return home to live. In this large sample of critically ill medical and surgical patients, the admission SOFA score and hospital lengths of stay were not different between the two groups, but medical patients had longer ICU lengths of stay and higher ICU and hospital mortality than surgical patients.

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Mendeley readers

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The data shown below were compiled from readership statistics for 24 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 24 100%

Demographic breakdown

Readers by professional status Count As %
Other 2 8%
Student > Doctoral Student 2 8%
Lecturer 1 4%
Student > Master 1 4%
Researcher 1 4%
Other 1 4%
Unknown 16 67%
Readers by discipline Count As %
Medicine and Dentistry 4 17%
Nursing and Health Professions 3 13%
Unknown 17 71%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 08 February 2017.
All research outputs
#19,962,154
of 25,394,764 outputs
Outputs from Canadian Journal of Anesthesia/Journal canadien d'anesthésie
#2,498
of 2,881 outputs
Outputs of similar age
#304,804
of 422,602 outputs
Outputs of similar age from Canadian Journal of Anesthesia/Journal canadien d'anesthésie
#37
of 43 outputs
Altmetric has tracked 25,394,764 research outputs across all sources so far. This one is in the 18th percentile – i.e., 18% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,881 research outputs from this source. They typically receive more attention than average, with a mean Attention Score of 9.6. This one is in the 11th percentile – i.e., 11% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 422,602 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 24th percentile – i.e., 24% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 43 others from the same source and published within six weeks on either side of this one. This one is in the 11th percentile – i.e., 11% of its contemporaries scored the same or lower than it.