Histological reflux gastritis scores (RGS) and bile reflux indices (BRI) based on assessment of antral biopsies from patients with non-ulcer dyspepsia (NUD), uncomplicated gastro-oesophageal reflux disease (GORD), and Barrett's oesophagus
| Clinical group | Median | Range | Mean | 95% CI |
| NUD (n=50) | ||||
| RGS | 8 | 5–12 | 8.4 | 7.8–9.0 |
| BRI | 7 | 0–18 | 7.8 | 6.3–9.3 |
| GORD (n=61) | ||||
| RGS | 8 | 5–12 | 8.5 | 7.9–9.0 |
| BRI | 11 | 0–24 | 10.0 | 8.5–11.5 |
| Barrett's (n=100) | ||||
| RGS | 9 | 5–13 | 8.9 | 8.5–9.2 |
| BRI | 11 | 0–27 | 12.5 | 11.2–13.8 |