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.
Patient Characteristics.
| Number | Percentage | |
|---|---|---|
| Total T4 study group | 36 | 100 |
| Extralaryngeal invasion | 20 | 56 |
| Cartilage invasion alone | 16 | 44 |
| Median age, y (range) | 56 (37–76) | |
| Male | 27 | 75 |
| Female | 9 | 25 |
| Disease site | ||
| Glottic | 12 | 33 |
| Supraglottic | 23 | 64 |
| Hypopharynx | 1 | 3 |
| Nodal status | ||
| N0 | 17 | 47 |
| N1 | 5 | 14 |
| N2 | 13 | 36 |
| N3 | 1 | 3 |
| Karnofsky performance status | ||
| 100% | 27 | 75 |
| 90% | 7 | 19 |
| 80% | 2 | 6 |
