Demography of patients randomised to therapy
| Treatment | RBC400 | RBC400+CLAR | RBC800+CLAR |
| Number of patients | 82 | 75 | 75 |
| Age (mean (SD) years) | 49 (13) | 49 (14) | 52 (12) |
| Male/female (%) | 78/22 | 57/43 | 76/24 |
| Smokers (%) | 42 | 45 | 48 |
| Drinkers (%) | 69 | 57 | 57 |
| Previous ulcer history (%) | 77 | 69 | 67 |
| Ulcer pain at entry (%) | 94 | 95 | 93 |
| Prestudy positive for H pylori(%) | 90 | 92 | 96 |