Prevalence of bile reflux in gastroesophageal reflux disease patients not responsive to proton pump inhibitors

Figure 1 Endoscopy evaluation in 83 gastroesophageal reflux disease (GERD) patients. SSBE: Short segment Barrett’s esophagus; LSBE: Long segment Barrett’s esophagus.

Figure 2 Symptoms. Mean duration of symptoms history in each group of GERD patients (mean ± SD, Fisher’s exact test).

Figure 3 Manometry. Percentage with hypotonic lower esophageal sphincter (LES), Short LES and ineffective esophageal motility in each group of GERD patients (mean ± SD, Fisher’s exact test).

Figure 4 pH-metry. Number and percentage of pathologic and normal pH-metry in each group of GERD patients.

Figure 5 Esophageal acid exposure. Mean value of total time of esophageal exposure at pH < 4 in each group of GERD patients (mean ± SD).

Figure 6 Bilimetry. Number and percentage of pathologic and normal bilimetry in each group of GERD patients.

Figure 7 Esophageal bile exposure. Mean value of total time of esophageal bilirubin absorbance > 0.14 in each group of GERD patients (mean ± SD).

Figure 8 Combined pH-metry and bilimetry evaluation. Number and percentage of various associations of pH-metry and bilimetry in each group of patients.