Table 2. Univariate analysis of selected characteristics and overall survival of patients with OSCC.
| Variable | P Value# | |
|---|---|---|
| Sex | Male | 0.524 |
| Female | ||
| Age | > 60 yr | 0.25 |
| ≤ 60 yr | ||
| Smoking history | Never | 0.179 |
| Ever | ||
| Drinking history | Never | 0.07 |
| Ever | ||
| Location | Buccal mucosa | 0.713 |
| Tongue | ||
| Gingiva | ||
| Others* | ||
| Cell differentiation | High | 0.371 |
| Moderate | ||
| Low | ||
| Tumor stage | T1 + T2 | 0.049 |
| T3 + T4 | ||
| Lymph node metastasis | No | 0.003 |
| Yes | ||
| TNM stage | I + II | 0.001 |
| III + IV | ||
| KDM4A | Low expression | < 0.001 |
| High expression | ||
Abbreviations: P Value# was determined using the log-rank test.
Others* included floor of mouth, lips and palate.