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. 2022 Feb 4;12(2):e050510. doi: 10.1136/bmjopen-2021-050510

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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Flow chart of users in the cohort study assessing the risk of gastrointestinal cancer and gastrointestinal bleeding. ASCVD, atherosclerotic cardiovascular disease; CDARS, Clinical Data Analysis and Reporting System (of the Hong Kong Hospital Authority); d, days; PS, propensity score; y, years.