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HRs and 95% CIs for the Effect of 3-Day Use of PPIs Compared With 3-Day Use of H2Bs Adjusting for an Unmeasured Dichotomous Confounder With an HR of 3
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Red indicates higher risk of CIGIB with PPIs; green indicates no difference between PPIs and H2Bs; and blue indicates lower risk of CIGIB with PPIs. P0 and P1 are the prevalence of the unmeasured confounder in the H2B group and the PPI group, respectively. See Table 1 legend for expansion of other abbreviations.
