Practical Medical Management of Crohn’s Disease

Table 1

A simplified classification of severity in Crohn’s disease.

Severity of symptoms	CDAI	Description
Clinical remission	<150	Spontaneous or posttreatment remission
Mild to moderate Crohn’s disease	150–220	Good oral intake, mild symptoms, and absence of dehydration. Ambulatory followup is sufficient.
Moderate to severe Crohn’s disease	220–450	Irresponsiveness to first line therapy, presence of systemic symptoms.
Severe-fulminant Crohn’s disease	>450	Persisting symptoms despite therapy or presence of high fever, obstruction symptoms, peritoneal signs, cachexia, or intraabdominal abscess.