Table 2.

Factors comprising the STABLE scoring system for predicting mortality risk after lung transplant

Factor	Value	STABLE points
Age	18-50 years	0
	>50 years	3
Time on wait list	1-75 days	0
	>75 days	5
Dialysis on the wait list	No	0
	Yes	6
Transplant center volume	≥50 lung transplants per year	0
	<50 lung transplants per year	3
Mechanical ventilation on wait list	No	0
	Yes	4
Total bilirubin	≤1.2 mg/dL	0
	>1.2 mg/dL	3
Total points		24

STABLE, Stratification Risk Analysis in Bridging Patients to Lung Transplant on ECMO.