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

Figure 3

Measurement of total scale (GerdQ) per month of treatment: comparison between schemes A and B. (Tuckey HSD). Abbreviations: A: treatment A (esomeprazole 40 mg AM and 40 mg PM); B: treatment B (esomeprazole 40 mg AM and placebo PM).