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 of the positive expression rate of ET-1 in three groups.
| Group | n | Positive | Rate of positive expression (%) |
|---|---|---|---|
| Laryngeal carcinoma | 82 | 77 | 49.2±11.5a,b |
| Benign lesion | 80 | 27 | 17.5±4.1a |
| Normal control | 82 | 9 | 6.2±2.4 |
P<0.05 vs. normal control group
P<0.05 vs. benign lesion group. ET-1, endothelin-1.
