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Survival After Dementia Onset: About 4.5 Years
The median survival time after onset of dementia is roughly 4.5 years, according to a BMJ study.
Researchers followed a cohort of over 13,000 people aged 65 and older in England and Wales for 14 years and studied in detail the 438 whose dementia began during the study period — 356 of whom died. Survival after the estimated onset of dementia was a median of 4.6 years for women and 4.1 for men. Factors significantly associated with shorter survival were older age at onset, male sex, and disability before onset. Education did not strongly affect survival, nor were scores on mini-mental status examinations predictive.
The authors conclude that the survival estimates can be used for prognosis and planning for patients, caregivers, service providers, and policy makers.
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Published in Physician's First Watch January 11, 2008
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