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, Time (hours) from start of kidney replacement therapy to filter replacement. All circuits were observed to failure or 72 hours. B, 90-day overall mortality, with median (interquartile range) observation time 90 days. Ticks perpendicular to curves indicate censored patients (n = 19).
