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.
The dosage of postoperative analgesic in four groups (n = 30, )
| NS group | D1 group | D2 group | D3 group | P-value | |
|---|---|---|---|---|---|
| The dosage of tramadol (mg) | 152.4 ± 134.6 | 127.7 ± 148.1 | 42.5 ± 97.3*# | 44.3 ± 65.8*# | 0.000 |
Data presented as mean ± SD
*p < 0.05 vs. NS group; # p < 0.05 vs. D1 group
