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.
The difference between old and new patches was tested by a Welch two sample t-test (p-value < 0.05). Grey bars are significantly different between the new and the old patches.
