Table 2.
Multivariate analysis of pathologic variables affecting cause-specific survival after surgery and postoperative radiotherapy.
| Risk factor | P-value |
|---|---|
| ECE | 0.0001 |
| Perineural invasion | 0.0205 |
| T stage | 0.0612 |
| Vascular invasion | 0.2040 |
| Differentiation | 0.2599 |
| Bone invasion | 0.5086 |
| Overall stage | 0.4521 |
| N stage | 0.6982 |
| Margins | 0.8837 |
ECE, extracapsular nodal spread.
Reprinted with permission of John Wiley & Sons from Hinerman RW et al. Postoperative irradiation for squamous cell carcinoma of the oral cavity: 35-year experience. Head Neck 2004;26:984–994. Copyright 2004 John Wiley & Sons. All rights reserved.