Clinical characteristics of patients with ulcerative colitis (UC)
| UC patients | Extent of disease | Duration of disease | Sigmoidoscopic findings | AI | DAI |
| 1 | Left sided | 2 y | Normal | 86 | 1 |
| 2 | Left sided | 3 mos | Normal | 125 | 0 |
| 3 | Left sided | 3 y | Moderate erythema, friability to 10 cm | 162 | 5 |
| 4 | Left sided | 5 y | Erythema and 2 small rectal ulcers at 8 cm | 120 | 6 |
| 5 | Left sided | 10 y | Moderate friability | 131 | 4 |
| 6 | Left sided | 14 y | Moderate erythema and small ulcers to 30 cm | 91 | 5 |
| 7 | Left sided | 20 y | Rectal ulcers | 105.5 | 0 |
| 8 | Left sided | 5 y | Normal | 95 | 0 |
| 9 | Pancolitis | 17 y | Normal | 112 | 1 |
| 10 | Pancolitis | 8 y | Normal | 84 | 0 |
| 11 | Pancolitis | 9 y | Normal | 98.6 | 0 |
AI, activity index; DAI, disease activity index.