Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Comparison regarding VAS score (mean ± SD).
| Groups | Pre | PO 3 months | 1 year | Last follow-up | P value∗ |
|---|---|---|---|---|---|
| Laminectomy-only (n = 21) | 5.18 ± 2.01 | 3.15 ± 1.42 | 1.21 ± 0.78 | 1.02 ± 0.25 | <0.001 |
| Lateral mass screw (n = 17) | 5.21 ± 2.13 | 3.11 ± 1.33 | 1.16 ± 0.85 | 1.05 ± 0.22 | <0.001 |
| P value | 0.966 | 0.932 | 0.856 | 0.712 | — |
VAS: visual analogue scale; Pre: preoperation; PO: postoperation. ∗Comparison within groups.
