highly significantp = 0.0001
The statistical analyses revealed that there were highly significant differences in spine density among the groups in the proximal ( F (4, 266) = 9.635, p = 0.0001), medial ( F (4, 266) = 26.978, p = 0.0001), and distal ( F (4, 266) = 20.245, p = 0.0001) segments.