Evaluating candidates for kidney transplantation: some recommendations still lack convincing clinical evidence.

Sir, The paper by Zeier and Ritz in the April 2002 issue of NDT 1]is a good reminder of the importance of evaluation and selectionof kidney transplant candidates. Also, this paper clearly demonstratesthe persisting lack of clinical evidence in this field, whichhas considerable impact on large numbers of end-stage renaldisease patients. We have previously demonstrated the unexplained variations inthe evaluation