| 항목명 | 정의 |
|---|---|
| Extent (E) |
lcerative proctitis (E1): involvement limited to the rectum (ie, proximal extent of inflammation is distal to the rectosigmoid junction). distal to the splenic flexure. |
|
Left-sided UC (E2) (also known as distal UC): involvement limited to the portion of the colorectum |
|
|
Extensive UC (E3) (also known as pancolitis): involvement extends proximal to the splenic flexure |
|
| Severity (S) | UC in clinical remission (S0): No symptoms of UC. |
|
Mild UC (S1): ≤4 bloody stools daily, lack of fever, pulse <90 bpm, hemoglobin ≥10.5 g/dL (105 g/L), erythrocyte sedimentation rate <30 mm/hr |
|
| Moderate UC (S2): > 4–5 stools daily but with minimal signs of systemic toxicity | |
|
Severe UC (S3): ≥6 bloody stools daily, pulse ≥90 bpm, temperature ≥99.5°F (37.5°C), hemoglobin <10.5 g/dL (105 g/L), and erythrocyte sedimentation rate ≥30 mm/hr |