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.
Kaplan–Meier curves for overall survival and disease-free survival in (A, D) the original cohort and (B, E) the cohorts after PSM and (C, F) IPTW-adjusted analyses of patients with gastric cancer. CRT, chemoradiotherapy; PSM, propensity score matching IPTW, inverse probability of treatment weight.
