Journal of psychosomatic research
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Motor subtypes have promise as a means of identifying clinically relevant delirium subgroups. Little is known about their relationship to etiologies, medication exposure, and outcomes. ⋯ Motor profile in delirium is relatively consistent over episode course and relates more closely to delirium phenomenology than to etiology or medication exposure. Motor subtypes have comparable disturbance of key diagnostic features such as cognitive and thought process abnormalities. Although mixed subtype is the most phenomenologically intense, hypoactives have the poorest prognosis.