The Impact of Frailty on Morbidity and Mortality following Open Emergent Colectomies

Table 3

Clavien-Dindo Complication Grade definitions.

Grade	Definition and variables
1	Postoperative complications not requiring intervention
	Peripheral nerve injury, neurological deficit, renal insufficiency, superficial SSI^a, or acute renal failure
2	Postoperative complications requiring pharmacologic interventions
	Deep SSI, organ space , sepsis, urinary tract infection, transfusion, pulmonary embolism, deep vein thrombosis, wound disruption or dehiscence, or pneumonia
3	Postoperative complications requiring surgical, radiologic, or endoscopic interventions
	Return to operating room
4	Life-threatening postoperative complications requiring management in intensive care unit
	Requiring ventilator > 48 hours, reintubation, cardiac arrest, progressive renal failure, myocardial infarction, or septic shock
5	Postoperative complications leading to death
	30-day mortality

site infection.