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.
The Kaplan–Meier survival curve showed: (A) Development to next grade of DR comparison in each DR grade; (B) development to next grade of DR comparison in different tertiles of HbA1C; (C) development to PDR comparison in each DR grade; (D) development to PDR comparison in different tertiles of HbA1C. HbA1c Q1 ≤ 6.7%, HbA1c Q2 = (6.7%, 8.2%), and 8.2% < HbA1c Q3.
