Marker/factor | Â | HR | 95% CI | P |
---|---|---|---|---|
c-kit | 0, 1+ | 1 | 0.297 - 4.251 | 0.864 |
 | 2+, 3+ | 1.124 |  |  |
EGFR | 0 | 1 | 0.206 - 2.957 | 0.716 |
 | 1+, 2+ | 0.781 |  |  |
VEGF | 0, 1+ | 1 | 0.624 - 11.392 | 0.198 |
 | 2+, 3+ | 2.623 |  |  |
Sex | Male | 1 | 0.01 - 0.639 | 0.17 |
 | Female | 0.8 |  |  |
Site | Submandibular gland | 1 | Â | Â |
 | Parotid gland | 0 |  | 0.995 |
 | Minor salivary gland | 0.33 | 0.07 - 1.563 | 0.162 |
Perineural invasion | Negative | 1 | 0.491- ~ 7.02 | 0.362 |
 | Positive | 1.856 |  |  |
Resection margin | Negative | 1 | 0.173 - 2.505 | 0.54 |
 | Positive | 0.659 |  |  |
Lymph node involvement | Negative | 1 | 0.791 - 14.06 | 0.049 |
 | Positive | 4.362 |  |  |
Treatment | Surgery only | 1 | Â | Â |
 | Surgery + RT | 0.224 | 0.033 - 1.508 | 0.124 |
 | Surgery + CCRT | 0.831 | 0.113 - 6.127 | 0.856 |
Age (year) | <45 | 1 | Â | Â |
 | ≥45 | 1.078 | 1.016 ~ 1.143 | 0.103 |
Tumor size (cm) | ≤2 | 1 |  |  |
 | >2 | 0.838 | 0.452 ~ 1.554 | 0.575 |