Degree of hyperglycemia independently associates with hospital mortality and length of stay in critically ill, nondiabetic patients: Results from the ANZICS CORE binational registry

Manju Mamtani, Hemant Kulkarni, Shailesh Bihari, Shivesh Prakash, Shaila Chavan, Sue Huckson, David Pilcher

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Purpose: Hyperglycemia (HG) in critically ill patients influences clinical outcomes and hospitalization costs. We aimed to describe association of HG with hospital mortality and length of stay in large scale, real-world scenario. Materials: From The Australian and New Zealand Intensive Care Society (ANZICS) Adult Patient Database (APD) we included 739,152 intensive care unit (ICU) patients admitted during 2007–2016. Hyperglycemia was quatified using midpoint blood glucose level (MBGL). Association with outcomes (hospital mortality and length of stay (LOS)) was tested using multivariable, mixed effects, 2-level hierarchical regression. Results: Degree of HG (defined using MBGL as a continuous variable) was significantly associated with hospital mortality and longer hospital stay in a dose-dependent fashion. The fourth, third and second MBGL (compared to the first) quartiles were associated with hospital mortality (odds ratio 1.34, 1.05 and 0.97, respectively) and longer hospital stay (1.56, 1.38 and 0.93 days, respectively). These associations were stronger associations in trauma (especially head injury), neurological disease and coma patients. Significant variation across ICUs was observed for all associations. Conclusions: In this largest study of nondiabetic ICU patients, HG was associated with both study outcomes. This association was differential across ICUs and diagnostic categories.

Original languageEnglish
Pages (from-to)149-156
Number of pages8
JournalJournal of Critical Care
Volume55
DOIs
Publication statusPublished - Feb 2020

Keywords

  • Hospital mortality
  • Hypoglycemia
  • Intensive care
  • Length of stay
  • Stress-induced hyperglycemia

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