Table 2. Outerbridge classification of the study subjects.
| Outerbridge grade | Number of patients (%) |
| I | 4 (8%) |
| II | 27 (55%) |
| III | 12 (24%) |
| IV | 6 (12%) |
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.