This secondary analysis did not identify a significant relationship between delirium severity trajectories and healthcare utilization or mortality within 2 years of hospital discharge.

The overall sample (n = 431) had a mean age of 60 (sd, 16), 56% were females, and 49% African-Americans.

No significant associations were identified between delirium severity trajectories and time to event for emergency department visit, mortality, or rehospitalization within 2 years of the index hospital discharge.

Healthcare utilization data within 2 years of the initial discharge date were pulled from the Indiana Network for Patient Care.

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