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- W3018346370 abstract "Background Koreaâs rapidly aging population has experienced a sharp rise in the prevalence of dementia. Patients with Alzheimerâs disease (AD), which is estimated to be about three-quarters of all patients with dementia, tend to have higher mortality rates compared with patients without Alzheimerâs disease. In this study, a survival analysis of patients with AD was conducted in order to provide knowledge to those who provide medical care to these patients. Methods Data on individuals over 65 years old in 2004 were extracted from the Korean National Health Insurance Servicesâ Senior Cohort database (2002â2013). The subjects were 209,254 patients, including 2,695 who were first diagnosed with AD (the AD group) and 206,559 that had not been diagnosed with the disease (non-AD group). To investigate the independent effect of AD on survival, the Cox proportional-hazards model, hazard ratios (confidence interval of 95%), and the Kaplan-Meier method were used. Results Mean survival time in the AD group was 5.3±3.3 years, which was about 2.5 years shorter than that in the non-AD group (7.8±2.4 years). The mortality rate in the AD group (66.3%) was higher than that in the non-AD group (26.3%). The adjusted hazard ratio in the AD group was 2.5 and, therefore, it was found that the AD group had a 2.5-fold higher risk of death than the non-AD group. Conclusion Overall, AD has a large, independent impact on survival. Survival time was shorter, and the mortality rate and risk were generally higher in the AD group, compared with the non-AD group. Keywords: Alzheimer Disease; Database; Survival Analysis; Mortality" @default.
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- W3018346370 date "2020-07-20" @default.
- W3018346370 modified "2023-10-12" @default.
- W3018346370 title "Survival Analysis of Patients with Alzheimer’s Disease: A Study Based on Data from the Korean National Health Insurance Services’ Senior Cohort Database" @default.
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- W3018346370 doi "https://doi.org/10.4082/kjfm.18.0114" @default.
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