The number of incident and prevalent patients with end stage renal disease on dialysis treatment is increasing in France and worldwide. A quarter of dialysis patients are initiating dialysis urgently through central venous catheters and the number of patients registered in the waiting list for renal transplantation before dialysis initiation is very low. This is also reflected in the very low number of pre-emptive renal transplantations.

In order to reduce the number of dialysis patients, the French state has induced a national program proposing a multidisciplinary care pathway including the nephrology visits and at least one consultation with a dietitian and a specialist renal nurse in all patients with Chronic Kidney Disease stage 4 and 5.

The aim of this single-center retrospective study is to evaluate the influence of the complete, partial or no participation in this program on the evolution of renal function and clinicobiological parameters in this group of patients.

Inclusion Criteria:

• All stage 4 and 5 Chronic Kidney Disease patients that were included in the program from 01/01/2021 to 31/12/2021 in the clinics of AURA SANTE

Exclusion Criteria:

• Patients without a medical follow up during this year (2021)
• Patients with insufficient or no data during the 24 month of follow up period
• Active treatment with corticosteroids, cytotoxic or immunosuppressive drugs, ongoing infection, autoimmune disease or active tumor process

Stage 4 and 5 Chronic Kidney Disease patients that were included in the program from 01/01/2021 to 31/12/2021 in the clinics of AURA SANTE

The chief investigator is going solely to include and analyse data without sharing them with anybody else