Abstract
Purpose
Previous epidemiologic studies that focused on the association between open-angle glaucoma (OAG) and dementia showed inconsistent results. In the present study, we explored the association between OAG and dementia in an ethnic Chinese (ie, Taiwanese) population using a population-based data set.
Methods
We retrieved data on study subjects for this case-control study from the Longitudinal Health Insurance Database 2000. We identified 7770 patients who had a diagnosis of dementia as cases, and 7770 subjects matched in terms of sex and age, which were randomly extracted as controls. A conditional logistic regression conditioned on age group, sex, and index year was used to assess the association of dementia with previously diagnosed OAG among the sampled patients.
Results
Of 15 540 patients, 1.70% had prior OAG, including 2.02% of the dementia group and 1.38% of the controls. After adjusting for patient socioeconomic characteristics and comorbid medical disorders, dementia patients were more likely to have had prior OAG than controls (odds ratio (OR): 1.44; 95% confidence interval (CI): 1.12–1.85; P<0.01). In addition, female dementia patients were more likely to have had prior OAG than controls (OR: 1.93; 95% CI: 1.35–2.77; P<0.001), whereas no statistical difference in prior OAG between male dementia patients and controls was found.
Conclusions
Female dementia patients were associated with a higher proportion of prior OAG than were the controls.
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Chung, SD., Ho, JD., Chen, CH. et al. Dementia is associated with open-angle glaucoma: a population-based study. Eye 29, 1340–1346 (2015). https://doi.org/10.1038/eye.2015.120
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DOI: https://doi.org/10.1038/eye.2015.120
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