The Effects of Anti-Dementia and Nootropic Treatments on the Mortality of Patients with Dementia: A Population-Based Cohort Study in Taiwan

Chen-Yi Wu, Hsiao-Yun Hu, Lok-Hi Chow, Yiing-Jenq Chou, Nicole Huang, Pei-Ning Wang and Chung-Pin Li

PLOS ONE, 2015, vol. 10, issue 6, 1-15

Abstract: Background: Few studies have examined the contribution of treatment on the mortality of dementia based on a population-based study. Objective: To investigate the effects of anti-dementia and nootropic treatments on the mortality of dementia using a population-based cohort study. Methods: 12,193 incident dementia patients were found from 2000 to 2010. Their data were compared with 12,193 age- and sex-matched non-dementia controls that were randomly selected from the same database. Dementia was classified into vascular (VaD) and degenerative dementia. Mortality incidence and hazard ratios (HRs) were calculated. Results: The median survival time was 3.39 years (95% confidence interval [CI]: 2.88–3.79) for VaD without medication, 6.62 years (95% CI: 6.24–7.21) for VaD with nootropics, 3.01 years (95% CI: 2.85–3.21) for degenerative dementia without medication, 8.11 years (95% CI: 6.30–8.55) for degenerative dementia with anti-dementia medication, 6.00 years (95% CI: 5.73–6.17) for degenerative dementia with nootropics, and 9.03 years (95% CI: 8.02–9.87) for degenerative dementia with both anti-dementia and nootropic medications. Compared to the non-dementia group, the HRs among individuals with degenerative dementia were 2.69 (95% CI: 2.55–2.83) without medication, 1.46 (95% CI: 1.39–1.54) with nootropics, 1.05 (95% CI: 0.82–1.34) with anti-dementia medication, and 0.92 (95% CI: 0.80–1.05) with both nootropic and anti-dementia medications. VaD with nootropics had a lower mortality (HR: 1.25, 95% CI: 1.15–1.37) than VaD without medication (HR: 2.46, 95% CI: 2.22–2.72). Conclusion: Pharmacological treatments have beneficial effects for patients with dementia in prolonging their survival.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0130993

DOI: 10.1371/journal.pone.0130993

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