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.
Nomograms. (A,B) Prognostic nomograms for predicting the 1-year OS and PFS probabilities of patients with advanced-stage lung cancer. Prognostic value is located on each variable axis, and a line is drawn upward to determine the number of point nomograms for predicting the probabilities of patients. OS, overall survival; PD-L1, programmed cell death-ligand 1; COPD, chronic obstructive pulmonary disease; PS, performance status; PFS, progression-free survival.
