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Centre for Policy on Ageing | |
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Survival times in people with dementia
— analysis from population based cohort study with 14 year follow-up | | Author(s) | Jing Xie, Carol Brayne, Fiona E Matthews |
| Corporate Author | Medical Research Council Cognitive Function and Ageing Study (MRC-CFAS) |
| Journal title | British Medical Journal, vol 336 no 7638, 2 February 2008 |
| Pages | pp 258-262 |
| Source | http://www.bmj.com |
| Keywords | Dementia ; Life span ; Death rate [statistics] ; Longitudinal surveys. |
| Annotation | 438 participants who developed dementia from the 13004 individuals aged 65+ in the Medical Research Council Cognitive Function and Ageing Study (MRC-CFAS) were analysed for estimates of survival after onset of dementia by age, sex, self-reported health, disability, and severity of cognitive impairment. Cox's proportional hazards regression models were used to identify predictors of mortality from the selected variables in people who received diagnosis of dementia according to the study's criteria. By December 2005, 356 (81%) of the participants had died. Estimated median survival time from onset of dementia to death was 4.1 years for men and 4.6 years for women. There was a difference of nearly seven years in survival between the younger old and the oldest people with dementia: 10.7 years for ages 65-69; 5.4 for ages 70-79; 4.3 for ages 80-89; and 3.8 for age 90+. Significant factors that predicted mortality in the presence of dementia during the follow-up included sex, age of onset, and disability. These analyses give a population based estimated median survival for incidence of dementia of 4.5 years. Such estimates can be used for prognosis and planning for patients, carers, service providers and policy makers. (RH). |
| Accession Number | CPA-080211217 A |
| Classmark | EA: BG6: S5: 3J * |
Data © Centre for Policy on Ageing |
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| ...from the Ageinfo database published by Centre for Policy on Ageing. |
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