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Retrospective Cohort Study
Copyright: ©Author(s) 2026.
World J Methodol. Sep 20, 2026; 16(3): 117891
Published online Sep 20, 2026. doi: 10.5662/wjm.117891
Figure 1
Figure 1  Propensity score density graph (before and after matching).
Figure 2
Figure 2 Kaplan-Meier curve for Barrett’s esophagus. FD: Functional dyspepsia; BE: Barrett’s esophagus.


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