From: Influence of SCA on clinical outcomes and cervical alignment after laminoplasty in patients with multilevel cervical spondylotic myelopathy
LG
HG
Pre
r
0.159
0.876
P
0.320
< 0.001
Post
0.055
0.414
0.731
0.020
F/U
− 0.005
0.431
0.974
0.015