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.
Construction and validation of the Prognostic Nomogram in training (a1, b1, c1, d1) and validation (a2, b2, c2, d2) cohort. a1, a2. Construction of the nomogram was based on the IRRS, age and grade. b1 and b2, c1 and c2, d1 and d2. Calibration plot for the internal validation of the nomogram.
