Assessment

Points

Patient reporting a normal number of daily stools

0

1-2 more stools than normal

1

3-4 more stools than normal

2

≥5 more stools than normal

3

None

0

Blood streaks seen with stool less than half of the time

1

Blood with most stools

2

Pure blood passed

3

Normal or inactive colitis

0

Mild friability, erythema, decreased vascularity

1

Friability, marked erythema, absent vascular pattern, erosions

2

Ulcerations and spontaneous bleeding

3

Normal

0

Mild colitis

1

Moderate colitis

2

Severe colitis

3

Higher scores are correlated with more severe ulcerative colitis.