Table 2 Basic information was compared between the two groups
Group | nonmetastatic | metastatic | P |
|---|---|---|---|
Age(y) | 55.7 | 57.9 | 0.468 |
Gender | Â | Â | 0.157 |
 Man | 12 | 13 |  |
 Woman | 2 | 0 |  |
Clinical stage | Â | Â | 0.012 |
 II | 8 | 0 |  |
 III | 4 | 1 |  |
 IV | 2 | 12 |  |
Tumor site | Â | Â | 0.163 |
 Tongue | 8 | 9 |  |
 Buccal | 2 | 3 |  |
 Gingiva | 3 | 0 |  |
 Oral floor | 1 | 1 |  |