Table 2.

The definitions of various complications

Complication	Definition
Wound infection	Any evidence of infection (i.e. erythaema, purulent discharge, induration) requiring antibiotic treatment, or evidence of dehiscence
Post pancreatectomy haemorrhage	Haematemesis or melena and no other source of ongoing blood loss, or the sudden appearance of frank blood either in the NG tube or per rectum, with subsequent fall in haemoglobin of 2 g/dl, and requiring blood transfusion or reoperation or radiological intervention or endoscopic intervention)
Delayed gastric emptying	Failure to resume oral liquid intake by post-operative day 10, and/or emesis > 500 ml on or after post-operative day 5, and/or continued nasogastric drainage > 500 ml on after post-operative day 5
Acute renal failure	Serum creatinine doubling of baseline value, and/or need for dialysis
Acute respiratory failure	Respiratory distress requiring intubation, or the need for intubation or mechanical ventilation for more than 24 h post-operatively
Enteric leak	Leakage of enteric contents from intra-operatively placed drains, and/or radiographically confirmed fluid collection, requiring surgical, endoscopic, or radiographic intervention
Bile leak	Bilious drainage from intra-operatively placed drains, and/or radiographically confirmed fluid collection, requiring surgical, endoscopic, or radiographical intervention
Chest infection	Presence of body temperature > 38°C, abnormal elevation of white blood count, or positive sputum Gram stain or culture along with presence of clinical or radiological signs of chest infection and requiring intra venous or oral antibiotic treatment
90-day mortality	Death during the initial hospitalization or within 90-days of hospital discharge
Hospital stay	The number of days in hospital from the time of initial operation to hospital discharge