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.
Number of patients with changes in VAS scores of more than ± 2 for the three pain categories, radicular pain, neck pain and headache, separately.
| Delta VAS = preoperative - postoperative | |||
|---|---|---|---|
| Pain category | Worsened (≤ -2VAS) | Unchanged | Improved (≥ 2 VAS) |
| Radicular pain | 16 (6.2%) | 78 (30.2%) | 164 (63.6%) |
| Neck pain | 26 (10.1%) | 91 (35.3%) | 141 (54.7%) |
| Headache | 41 (15.9%) | 136 (52.7%) | 81 (31.4%) |
