Table 1. Defining intestinal failure subtypes.

Subtype	Presentation timing	Speed of onset	Locality of disease	Pathology	Duration
Type 1	Acquired	Acute	GI and systemic	Benign and malignant	<28 days
Type 2	Congenital/acquired	Acute	GI and systemic	Benign and malignant	Weeks to months
Type 3	Congenital/acquired	Chronic	GI and systemic	Benign and malignant	Months to years

GI, gastrointestinal.