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.
Changes in cephalometric values for the Ricketts analysis
Data are presented as value (standard deviation).
M, Male; F, female.
*Significant difference between males and females at 0.05% level by t-test; †significant difference between males and females at 0.01% level by t-test.
See Figure 1 for the definitions of all the landmarks and measurements.
