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.
Pain scores at different time points before and after treatment (point, x ± s).
| Group | Case No. (n) | Before | Two weeks after | Four weeks after |
|---|---|---|---|---|
| Treatment group | 45 | 80.44±7.13 | 12.87±5.33 | 6.89±3.12 |
| Control group | 45 | 80.65±6.09 | 34.17±5.11 | 20.11±4.01 |
| t | 0.028 | 22.863 | 14.992 | |
| P | >0.05 | <0.05 | <0.05 |
