Table 1.

Classification of severity of gastroparesis

Grade 1: Mild	Symptoms easily controlled
	Regular diet/minor dietary modifications helps to maintain normal nutritional status
Grade 2: Compensated	Moderate symptoms that are reasonably controlled with prokinetics and anti-emetics
	Maintenance of nutrition with diet/lifestyle changes
	Hospitalizations-infrequent
Grade 3: Gastric failure	Refractory symptoms
	Inadequate nutrition
	Needing hospitalization for therapy and nutritional supplementation (either enteral or parenteral)
	May need surgical or endoscopic intervention or gastric "pacemaker"

Originated from Abell et al[27].