Research Article

The Effect of Preoperative Biliary Drainage with or without Pancreatic Stenting on Complications after Pancreatoduodenectomy: A Retrospective Cohort Study

Table 1

Complication criteria.

Grade definition
0: no complications
1: Oral medications or supportive care
2: IV medical therapy with resolution or antibiotics or specialized nutritional support
3: interventional radiology, endoscopic, or operative intervention
4: chronic deficit or disability associated with sequelae of this event
5: death associated with sequelae of this event