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.
r denotes Pearson's correlation coefficient.
Abbreviations: CI, confidence interval; DCR, disease control rate; ORR, objective response rate; OS, overall survival; PFS, progression‐free survival.
