How important is donor age in liver transplantation?

Table 2 Variables included in the most relevant survival scores

Model	Variables included	Ref.
DRI	D-age, donor height, DCD, split, race, COD, allocation, CIT	Feng et al[10]
ET-DRI	D-age, DCD, Partial/Split, GGT, allocation, rescue allocation	Braat et al[25]
SOFT	D-age, COD, donor creatinine, R-age, R-BMI, previous OLT, previous abdominal surgery, R-albumin, dialysis, UNOS status, MELD score, encephalopathy, PVT, ascites, portal bleed, life support, allocation, CIT	Rana et al[26]
D-MELD	D-age, MELD score	Halldorson et al[27]
BAR	MELD score, CIT, R-age, D-age, previous OLT, life support	Dutkowski et al[28]

COD: Cause of death; CIT: Cold ischemia time; DCD: Donation after cardiac death; DRI: Donor risk index; D-age: Donor age; ET-DRI: Eurotrasplant donor risk index; SOFT: Survival outcomes following liver transplantation; R-age: Recipient age; OLT: Orthotopic liver transplant; PVT: Portal vein thrombosis; D-MELD: Donor age Model for End-stage Liver Disease; BAR: Balance of risk.