| |
Preoperative
|
Postoperative
|
FU1
|
FU2
|
|---|
|
After mean 2.2 days (1–8 days)
|
After mean 8 months (6–13 months)
|
After mean 26 months (23–37 months)
|
|---|
|
α (kyphosis angle)
|
176 (163–183)
|
172.5 (160–181)
|
176.9 (157–190)
|
176.4 (156–196)
|
|
a (ventral intervertebral space) in mm
|
3.6 (1.7–8.5)
|
7.5 (4.5–10.1)
|
6.2 (2.4–9)
|
5.6 (1.2–8.8)
|
|
b (dorsal intervertebral space) in mm
|
3.1 (1.2–8.5)
|
6.1 (3.9–7.7)
|
5.4 (3.3–7.4)
|
4.9 (0.7–7.6)
|
|
Subsided segments
| | |
36.3% (12 out of 33)
|
50.5% (18 out of 33)
|
|
Patients with subsidence
| | |
64.7% (11 out of 17)
|
70.6% (12 out of 17)
|
- (α: kyphosis angle between two adjacent segments, a: ventral intervertebral space between two adjacent segments, b: dorsal intervertebral space between two adjacent segments) and subsidence by segment and patients at the individual survey times (preoperatively, postoperatively after 2.2 days (mean; 1–8 days), mean time of follow-up 1 after 8 months (mean; 6–13 months) and mean time of follow-up 2 after 26 months (mean; 23–37 months).
