|
Group A
|
Group B
|
Group C
|
P value
|
---|
ΔSH1 (mm)
|
0.232±0.588
|
0.107±0.789
|
0.398±1.033
|
0.560
|
ΔSH2 (mm)
|
0.261±0.894
|
0.208±0.850
|
0.322±1.011
|
0.928
|
ΔFH1 (mm)
|
0.471±1.122
|
0.329±0.897
|
0.800±1.031
|
0.391
|
ΔFH2 (mm)
|
0.511±1.024
|
0.492±0.929
|
0.833±1.142
|
0.596
|
- ΔSH1, the reduction of intervertebral disk space height at the adjacent upper segment after surgery (ΔSH1=H1−postoperative H1); ΔSH2, the reduction of intervertebral disk space height at the adjacent lower segment after surgery (ΔSH2=H2−postoperative H2); ΔFH1, the reduction of intervertebral disk space height of the adjacent upper segment at the last follow-up (ΔFH1=H1−follow-up H); ΔFH2, the reduction of intervertebral disk space height of the adjacent lower segment at the last follow-up (ΔFH2=H2−follow-up H2)