Delirium incidence, risk factors and outcomes in a New Zealand tertiary intensive care unit: a retrospective, observational, single-centre study

The incidence of delirium in this single-centre, tertiary Auckland ICU was comparable to other Australasian ICUs. There was no difference in the incidence of delirium between different ethnicities. Positive associations to delirium included length of stay in ICU, number of days on vasopressors and duration of mechanical ventilation. Delirium was not associated with an increased risk of 12-month mortality and was not associated with ICU discharge disposition.