Sutherland et al developed an ulcerative colitis disease activity index (UCDAI). This can be used to monitor a patient over time. The patients are from the University of Calgary in Canada.
The UCDAI is similar to the Mayo score, except that the wording for the endoscopic appearance differ. Both the UCDAI and Mayo score are similar to the Feagan score, which replaces the endoscopic appearance with a patient's report of well-being.
Patient selection: patient with ulcerative colitis
Parameters:
(1) stool frequency
(2) rectal bleeding
(3) mucosal appearance on endoscopy
(4) physician's global assessment of disease activity
Parameter
Finding
Points
stool frequency
not increased (normal for patient)
0
1 to 2 stools per day more than normal
1
3 to 4 stools per day more than normal
2
>= 5 stools per day more than normal
3
rectal bleeding
none
0
streaks of blood with stool
1
obvious blood with stool
2
bowel movement mostly blood
3
mucosal appearance
normal
0
mild friability
1
moderate friability
2
spontaneous hemorrhage and/or exudate
3
physician's global assessment
normal
0
mild activity
1
moderate activity
2
severe activity
3
total score =
= SUM(points for all 4 parameters)
Interpretation:
• minimum score: 0
• maximum score: 12
• The higher the score the greater the disease activity.
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