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 proportion of patients experiencing neck problems or neck problems affecting the activity level was not related to the cranial extent of the fusion (p = 0.72 and p = 0.10, respectively), both analyses adjusted for age (20–44 vs. 45 years and older) smoking, and sex. There were no patients that were fused to the ninth thoracic vertebra
