gastroesophageal reflux disease). Statistical Analysis Primary Analysis The study utilized standard analytic techniques for evaluating case-control studies and conditional logistic regression.17, 19C21 All definitions and modeling strategies were planned a priori (i.e. 95% confidence interval [CI]=1.21C1.39) or H2RAs (OR=1.18, 95% CI=1.08C1.29). The risk was reduced after medication discontinuation (OR=1.30, 95% CI 1.21C1.41 for current PPI […]