Mayo Score / Disease Activity Index (DAI) for Ulcerative Colitis
Assesses severity of ulcerative colitis.
When to Use
Pearls/Pitfalls
Why Use
Normal
01-2 stools/day more than normal
+13-4 stools/day more than normal
+2>4 stools/day more than normal
+3None
0Visible blood with stool less than half the time
+1Visible blood with stool half of the time or more
+2Passing blood alone
+3Normal or inactive disease
0Mild disease (erythema, decreased vascular pattern, mild friability)
+1Moderate disease (marked erythema, absent vascular pattern, friability, erosions)
+2Severe disease (spontaneous bleeding, ulceration)
+3Normal
0Mild
+1Moderate
+2Severe
+3Result:
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