Free and total faecal sulphate concentration (nmol per g wet weight faeces) in patients with ulcerative colitis (UC) and healthy controls
| Subject group | Free faecal sulphate | Total faecal sulphate |
| Controls (n=16) | 594 (53–1137) | 1408 (1234–2466) |
| UC (n=37) | 970 (468–2234)3-150 | 2551 (1234–4019) |
| Left sided (n=18) | 553 (254–959)3-150 | 1477 (1139–2052) |
| Extensive (n=19) | 1741 (981–3280)3-150 | 3710 (3162–5086)3-150 |
| Active disease (n=23) | 923 (506–1575) | |
| Remission (n=14) | 1313 (439–2426) | |
| High SRA (n=20) | 229 (69–975) | 1278 (1149–2504) |
| Low SRA (n=33) | 1082 (678–2402)3-151 | 3162 (1497–4107) |