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.
a–c Kaplan–Meier estimates of significant loss of kidney function. Kidney function was defined as impaired if there was a doubling of serum creatinine since biopsy, initiation of dialysis, transplant or death. Estimated glomerular filtration rate at diagnosis was similar between groups.
