Sample and statistical power calculation:
We conducted a census for the collection of participants in the established study period. The total sample of our study was 343 participants. For the statistical power calculation, we used the study by Tatar et al., who evaluated the association of high NLR and mortality in elderly patients with CKD stages 3-5. In this study, the survival reported in the Kaplan-Meier Curves at sixty months in the group with increased NLR was 50.5%, while in the group with normal NLR, it was 85.6%. We carried out the calculations using a 95% confidence interval (CI) and obtained a statistical power of 99%