Table 4.

Comparison of ‘Old’ and International Study Group for Pancreatic Surgery (ISGPS) definitions

Morbidity	Old definition used prior to ISGPS implementation	ISGPS definition
DGE	NGT required beyond PoD 7	NGT required beyond PoD 3
	Failure to tolerate solid diet before PoD 14	Failure to tolerate solid diet before PoD 7
POPF	Clinically significant pancreatic leak with persistent pancreatic fluid drainage or intra-abdominal collection requiring percutaneous drainage, subsequently proven to be rich in amylase (>3 × serum amylase)	Abdominal drain output of any measurable volume of drain fluid on or after PoD 3 with an amylase content >3 × upper normal serum value
PPH	All cases of postoperative haemorrhage	All cases of postoperative haemorrhage

DGE, delayed gastric emptying; POPF, postoperative pancreatic fistula; PPH, post-pancreatectomy haemorrhage; NGT, nasogastric tube; PoD, postoperative day.