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Archived Comments for: Gout and the risk of dementia: a nationwide population-based cohort study

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  1. A question on control selection

    Hsiu-Nien Shen, Chi Mei Medical Center

    13 July 2015

    Based on the flowchart of the study, it appears that controls who have dementia before the index date (as being matched with that of patients with gout) are not excluded. This may cause a bias overestimating the risk estimate.

    Competing interests

    None declared.

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