Table 3 Cox proportional hazards of death according to variables that differed between survivors and non-survivors

Comorbidity - low versus high risk ^a

8.958

2.843-28.223

< 0.001

Not being on the transplant waiting list

3.992

1.462-10.902

0.007

Age

1.038

1.012-1.066

0.005

Physical functioning ^b

0.980

0.964-0.996

0.014