Organ support & nutrition

Association between elevated lactate and clinical outcomes in adults with diabetic ketoacidosis

J Crit CarePublished Retrospective cohort study

Main finding · In-hospital mortalityResult — go to the resultOdds ratio 1.785 95% CI 1.122–2.841

Authors' conclusion

Hyperlactatemia in patients admitted to ICU with DKA is associated with higher mortality, longer hospital and ICU LOS, and higher rates of mechanical ventilation, RRT and inotropes.

Study context

Population
Adults admitted to intensive care unit (ICU) with a primary diagnosis of diabetic ketoacidosis (DKA) in Australia and New Zealand
Participants
9,061 adults
Exposure
Hyperlactatemia vs normolactatemia
Outcome
In-hospital mortality
Methodological detailsmulticentre, pre-existing dataset
  • Multicentre
  • Pre-existing dataset

Main finding

As reported in the abstract

Odds ratio

1.785

95% CI 1.122–2.841

P = 0.014

Hyperlactatemia vs Normolactatemia
OR 1.785 (95% CI 1.122–2.841); P = 0.014

Observational data: associations, not effects.

Secondary outcomes

OutcomeEstimateP value
Hospital LOSGeometric mean ratio 1.063 (95% CI 1.025–1.103)P = 0.001
ICU LOSGeometric mean ratio 1.057 (95% CI 1.026–1.09)P < 0.001
RRTOR 2.198 (95% CI 1.449–3.334)P < 0.001
InotropesOR 1.578 (95% CI 1.311–1.899)P < 0.001

Associations by diabetes type (subgroup)

Associations persisted in Type 2 but not Type 1 diabetics

Original publication

Association between elevated lactate and clinical outcomes in adults with diabetic ketoacidosis. J Crit Care. Published 19 July 2023. doi:10.1016/j.jcrc.2023.154377

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