Table 2.

Rui Jin Hospital classification of complications

Minor	Infection: superficial wound infection, deep infection*, chest infection*, urinary infection, septicaemia, pyrexia of unknown origin*Miscellaneous: superficial wound dehiscence, wound haemorrhage, impaired renal function*, deep venous thrombosis*, hypotension
Moderate	Infection: deep infection†, chest infection†, pyrexia of unknown origin†Miscellaneous: deep wound dehiscence, impaired renal function†, deep venous thrombosis†Innominate†
Severe	Systemic: cardiac failure, respiratory failure, pulmonary embolus, hypotension‡, death Surgical: deep haemorrhage, deep infection‡, anastomotic leak Innominate: complications with post-operative stay >30 days

^*Post-operative ≤ 15 days.

^†Post-operative > 15 days.

^‡Requiring laparotomy.