Figure 2.
A simulation demonstration of the bias in Cox regression coefficient estimate as a function of the number of repeated measures ri. The average bias with a 95% CI over 100 simulated datasets of sample size n=200 is plotted.
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.