Comparative study of omeprazole, lansoprazole, pantoprazole and esomeprazole for symptom relief in patients with reflux esophagitis

Figure 7 Daily changes in mean heartburn score in H pylori-positive and -negative subjects with heartburn prior to test drug administration. (▲) H pylori-negative subjects (n = 140), (●) H pylori-positive subjects (n = 109), There was no significant difference between H pylori-positive and H pylori-negative subjects after test drug administration.