Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
— Peritoneal dialysis (PD) technique survival in countries with a per-capita gross national income (GNI) greater or less than $12 000 per year (international dollars). Lines represent unadjusted actuarial survival rates; vertical marks, censored observations.
