H pylori status of IBD cases and controls as determined by serology
| H pylori status | Controls | Ulcerative colitis | Crohn’s disease | IBD on SASP | IBD no SASP7-150 |
| Positive (%) | 63 (36) | 59 (35) | 29 (33) | 48 (32) | 13 (50) |
| Negative | 111 | 111 | 58 | 104 | 13 |
| Total | 174 | 170 | 87 | 152 | 26 |
↵7-150 No current or previous treatment with sulphasalazine (SASP) or mesalazine.