A Randomized Placebo-Controlled N-of-1 Trial: The Effect of Proton Pump Inhibitor in the Management of Gastroesophageal Reflux Disease

Figure 2

Performance of the treatment schemes A and B according to the total score of the GerdQ scale in the 12 weeks of treatment. Abbreviations: A: treatment A (esomeprazole 400 mg AM and 40 mg PM); B: treatment B (esomeprazole 40 mg AM and placebo PM).