Table 1. Patient Characteristics.

The values are expressed as the median and interquartile intervals Q1 –Q3.

Total number of registered patients	1044
Number of patients by center	34 [13.8–57.5]
Number of participating centers	26
Sex	M 59.9%; F 40.1%
Patients’ age at the beginning of the CKD monitoring (years)	67.2 [56.3–76.5]
Patients’ age at the beginning of the EP	66.5 [55.2–76.5]
Patients’ age of those who began RRT	65.5 [52.3–75.0]
Total number of patients with a final choice	63.2%
GFR at the start of the education process (ml/min)	16.3 [13.0–21.0]
GFR at the end of the decision-making phase (ml/min)	13.0 [10.0–17.7]
Educated patients	86.2%
Average number of patient visits until the final choice	2.6±0.8
Time until the final choice (months)	1.8 [0.7–3.8]
Patients who started RRT	38.2%
Planned	54.4%
Unplanned	45.6%
First dialysis access	All	Educated	Non-educated	Planned	Unplanned
Temporary vascular access	19.1%	18.1%	23.9%	0%	36.5%
Permanent vascular catheter	17.8%	16.1%	25.4%	9.9%	24.8%
Native arteriovenous fistula	32.6%	28.0%	46.3%	39.4%	29.9%
Peritoneal catheter	30.5%	37.8%	4.5%	50.7%	8.8%
Total	100%	100%	100%	100%	100%