From: Development and validation of a risk index to predict kidney graft survival: the kidney transplant risk index
Training set
Validation set
Hazard ratio
Standard error
HR: Fairly good vs Good
1.432
0.19
1.232
0.31
HR: Fairly poor vs Good
2.730
0.18
2.486
0.29
HR: Poor vs Good
4.580
5.499