From: Differences in fixation to young and elderly quadrilateral surfaces with anatomic quadrilateral surface plate (AQSP) based on cortical thickness morphological results
Group
I
II
III
P
Anterior column
6
13
7
Anterior column and posterior hemitransverse
8
21
11
Both column
22
25
18
Posterior column and posterior wall
4
12
2
6.578
0.362