Assessment of the spontaneous and posttransplantation survival of COPD patients
The assessment tool below uses recent data from the United Network for Organ Sharing/International Society for Heart and Lung Transplantation (UNOS/ISHLT) database. This tool is designed to estimate the survival of COPD patients, with and without lung transplantation according to the values of the following variables.
Age (yr):	<45 45-49 50-54 55-59 ≥60
FEV1 (% predicted):	<15 15-17 18-20 21-23 24-26 27-29 ≥30
alpha-1 antitrypsin status:	Deficiency No deficiency
Body-mass index (kg/m²):	<20 20-24 25-29 ≥30
PAPs (mmHg)*:	<30 30-39 40-49 50-59 ≥60
Oxygen requirement (at rest):	No Yes
Six-min walk distance:	>150 feet <=150 feet
NYHA Class:	I II III IV
Diabetes:	No Yes
*systolic pulmonary artery pressure
WARNING : This is only a research tool that MUST NOT BE USED in clinical practice