Acta Med Okayama
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Factors initiating senile delirium were examined in 129 elderly inpatients (65 years or older). Sixty-eight patients were males and 61 females, with a mean age of 76.3 years. ⋯ Delirium resolved or improved in 80% of the patients, but usually persisted in patients with dementia. Senile delirium tended to reappear repeatedly in patients whose episode of delirium lasted for more than 2 weeks, was associated with dementia, or had a prior history of delirium.