High Prevalence of Gastroesophageal Reflux Disease in Parkinson’s Disease: A Questionnaire-Based Study

Figure 1

Results for each item of the frequency scale for symptoms of gastroesophageal reflux disease. All values are shown as means and standard errors. Each symbol indicates the 𝑃 value: ^§𝑃<0.05, ^‡𝑃<0.01, and ^†𝑃<0.001.