The aim of this study is to determine a multidimensional signature (integrating frailty and patient-reported outcomes measures (PROMs) at entry into stage 4B/5 CKD) to improve prediction of renal death (dialysis, transplantation, conservative management, death).
Patients with CKD stage 4B or 5 (first consultation with GFR < 20 mL/min /1.73 m2 in CKD-EPI 2009).
Fluency in French
Membership of a French social security scheme
Non-opposition from the subject to participate in the study
Subjects with limited legal capacity.
Subjects still in the exclusion period of another study, or according to the national registry of clinical trial participants.
Subjects with no social security coverage.
Subjects judged by the investigator to be unlikely to comply with study procedures