Sleep Apnea and the Risk of Dementia: A Population-Based 5-Year Follow-Up Study in Taiwan

Wei-Pin Chang, Mu-En Liu, Wei-Chiao Chang, Albert C Yang, Yan-Chiou Ku, Jei-Tsung Pai, Hsiao-Ling Huang and Shih-Jen Tsai

PLOS ONE, 2013, vol. 8, issue 10, 1-

Abstract: Background: Sleep apnea (SA) has been associated with cognitive impairment. However, no data regarding the risk of dementia in patients with SA has been reported in the general population. This retrospective matched-control cohort study was designed to estimate and compare the risk of dementia in SA and non-SA patients among persons aged 40 and above over a 5-year period follow-up. Methods: We conducted a nationwide 5-year population-based study using data retrieved from the Longitudinal Health Insurance Database 2005 (LHID2005) in Taiwan. The study cohort comprised 1414 patients with SA aged 40 years who had at least 1 inpatient service claim or 1 ambulatory care claim. The comparison cohort comprised 7070 randomly selected patients who were matched with the study group according to sex, age, and index year. We performed Cox proportional-hazards regressions to compute the 5-year dementia-free survival rates after adjusting for potentially confounding factors. Results: The SA patients in this study had a 1.70-times greater risk of developing dementia within 5 years of diagnosis compared to non-SA age- and sex-matched patients, after adjusting for other risk factors (95% confidence interval (CI) = 1.26-2.31; P

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0078655

DOI: 10.1371/journal.pone.0078655

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