Table 2 Clinical characteristics of St Mark’s Hospital blood donors and healthy volunteers
Characteristic | Healthy control (HC) | Ulcerative colitis (UC) | Crohn’s disease (CD) |
|---|---|---|---|
n | 17 | 11 | 7 |
Male/female | 7/10 | 4/7 | 2/5 |
Age at sampling | 44.3 (17-86) | 46 (26-65) | 58.6 (23-80) |
Inflammation categories | |||
 CRP (> 5) |  | 3 | 1 |
 ESR (> 20) |  | 1 | 0 |
 Faecal calprotectin (> 55) |  | 2 | 1 |
Symptoms at sampling | Â | Â | Â |
 Diverticular disease |  | 1 | 0 |
 Diversion colitis |  | 0 | 1 |
 Fistulating Crohn’s |  | 0 | 1 |
IBD medications at sampling | |||
 None |  | 9 | 5 |
 Aminosalicylates |  | 2 | 1 |
 Azathioprine/6-mercaptopurine |  | 0 | 0 |
 Adalimumab |  | 0 | 1 |
Non-IBD medications at sampling | |||
 Vitamins D/D3/ B12/B9 |  | 1 | 1 |
 Loperamide |  | 0 | 1 |
 Alendronate |  | 0 | 1 |
 Metformin |  | 1 | 0 |
 Tamoxifen |  | 1 | 0 |
 Simvastatin |  | 1 | 0 |
 None |  | 10 | 6 |