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Assessing the relationship between admission glucose levels, subsequent length of hospital stay, readmission and mortality.

Abstract

This study aimed to investigate relationships between dysglycaemia and length of hospital stay, short-term mortality and readmission in an unselected population in an acute medical unit (AMU). The rate of follow up in non-diabetic individuals with hyperglycaemia was also measured. We analysed data from all 1,502 patients admitted through our AMU in February 2010 to assess blood glucose levels on admission, length of stay, 28-day readmissions and mortality, and to determine whether blood glucose > or = 11.1 mmol/l on admission in non-diabetic individuals was followed up. In total, blood glucose was measured on admission for 893 patients. Mean length of stay was 8.8 (standard deviation 11.9) days, for patients with blood glucose < 6.5 mmol/l on admission; 11.3 (13.6) days, for 6.5-7 mmol/l; 10.2 (14.5) days, for 7.1-9 mmol/l; 10.6 (14.9) days, for 9.1-11 mmol/l; 12 (18.4) days, for 11.1-20 mmol/l and 9.1 (11.2) days, for > 20.1 mmol/l. Length of stay for patients with blood glucose > 6.5 mmol/l on admission was significantly longer (p = 0.002). The 28-day readmission rates were 6.4%, 6%, 9.7%, 12.5%, 10% and 15%, respectively, and 28-day death rates were 4.8%, 6%, 5.8%, 17.2%, 17.1% and 6.1%, respectively. Overall, 51.4% of non-diabetic individuals with blood glucose > 11.1 mmol/l on admission were followed up. The study showed that blood glucose > 6.5 mmol/l on admission is associated with significantly longer length of stay. Hyperglycaemia was associated with increased 28-day mortality and readmissions, and is frequently underinvestigated.

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  • Publisher Full Text
  • Authors+Show Affiliations

    ,

    Elsie Bertram Diabetes Centre, Norfolk and Norwich University Hospitals NHS Foundation Trust, Colney Lane, Norwich.

    Source

    MeSH

    Admitting Department, Hospital
    Aged
    Blood Glucose
    Diagnostic Tests, Routine
    Female
    Humans
    Hyperglycemia
    Length of Stay
    Male
    Middle Aged
    Mortality
    Outcome and Process Assessment (Health Care)
    Patient Readmission
    Predictive Value of Tests
    Prognosis

    Pub Type(s)

    Journal Article

    Language

    eng

    PubMed ID

    22586788

    Citation

    TY - JOUR T1 - Assessing the relationship between admission glucose levels, subsequent length of hospital stay, readmission and mortality. AU - Evans,N R, AU - Dhatariya,K K, PY - 2012/5/17/entrez PY - 2012/5/17/pubmed PY - 2012/7/18/medline SP - 137 EP - 9 JF - Clinical medicine (London, England) JO - Clin Med (Lond) VL - 12 IS - 2 N2 - This study aimed to investigate relationships between dysglycaemia and length of hospital stay, short-term mortality and readmission in an unselected population in an acute medical unit (AMU). The rate of follow up in non-diabetic individuals with hyperglycaemia was also measured. We analysed data from all 1,502 patients admitted through our AMU in February 2010 to assess blood glucose levels on admission, length of stay, 28-day readmissions and mortality, and to determine whether blood glucose > or = 11.1 mmol/l on admission in non-diabetic individuals was followed up. In total, blood glucose was measured on admission for 893 patients. Mean length of stay was 8.8 (standard deviation 11.9) days, for patients with blood glucose < 6.5 mmol/l on admission; 11.3 (13.6) days, for 6.5-7 mmol/l; 10.2 (14.5) days, for 7.1-9 mmol/l; 10.6 (14.9) days, for 9.1-11 mmol/l; 12 (18.4) days, for 11.1-20 mmol/l and 9.1 (11.2) days, for > 20.1 mmol/l. Length of stay for patients with blood glucose > 6.5 mmol/l on admission was significantly longer (p = 0.002). The 28-day readmission rates were 6.4%, 6%, 9.7%, 12.5%, 10% and 15%, respectively, and 28-day death rates were 4.8%, 6%, 5.8%, 17.2%, 17.1% and 6.1%, respectively. Overall, 51.4% of non-diabetic individuals with blood glucose > 11.1 mmol/l on admission were followed up. The study showed that blood glucose > 6.5 mmol/l on admission is associated with significantly longer length of stay. Hyperglycaemia was associated with increased 28-day mortality and readmissions, and is frequently underinvestigated. SN - 1470-2118 UR - https://www.unboundmedicine.com/medline/citation/22586788/Assessing_the_relationship_between_admission_glucose_levels_subsequent_length_of_hospital_stay_readmission_and_mortality_ L2 - http://www.clinmed.rcpjournal.org/cgi/pmidlookup?view=long&amp;pmid=22586788 ER -