Table 5: Change of the Absolute Value of Cobb Angle, Kyphotic Deformation and Beck Index a) from Preoperatively to Postoperatively and b) from Preoperatively to the Latest Follow-Up, Considering the Preoperative Measurement as Covariate and Using the Analysis of Covariance Model
|
Pre-Op vs Post-Op |
Pre-Op vs Follow-Up |
Adjusted Mean Change-95%CI |
p-value |
Adjusted Mean Change-95%CI |
p-Value |
Cobb angle |
Short-segment |
-11.88 (-15.6/-7.3 )
|
N.S |
-8.3 (-5.1/-11.6)
|
0.04 |
Long-segment |
-14.1 (-10.1/-18.2)
|
-11 (-7.4/-14.6)
|
Kyphotic deformation |
Short-segment |
-13,2 (-18.2/-8.2)
|
N.S |
0,5 (-2/+3)
|
<0.0005 |
Long-segment |
-12,7 (-18.5/-6.3)
|
35 (-5/+75)
|
Beck index |
Short-segment |
0,31 (0,2/0,4)
|
N.S |
0,30 (0,2/0,4)
|
N.S |
Long-segment |
0,32 (0,2/0,4)
|
0,31 (0,2/0,4)
|