Population and study design:
We conducted a retrospective, analytical and observational cohort study
in a population consisted in patients with chronic kidney disease (CKD)
with stages 1- 5 from the Hospital Edgardo Rebagliati Martins (EsSalud)
in Lima, Peru. The inclusion criteria were: Patient with CKD who enters
the surveillance system of the Chronic Kidney Disease Management Unit
(SSCKD) between 2016 and 2018 and patient with complete blood count with
a maximum separation month between the start of follow-up and the blood
test. The exclusion criteria were: Patient with CKD stage 5 in dialysis
and patient with a history of renal transplantation.