Table 2 Updated clinical criteria for the diagnosis of delirium according to DSM-5 [18]

A

Disturbance in attention and awareness

B

Develops over a short period of time/change from baseline attention and awareness/fluctuating in severity during the course of the day

C

Additional disturbance in cognition (e.g., memory, orientation, language, visuospatial ability, perception)

D

A + B not better explained by another preexisting or evolving neurocognitive disorder/no severely reduced level of arousal, such as coma

E

Evidence for precipitating medical factors or multiple etiologies