Table 4.
Prognostic factors for the disease specific survival in patients with cT1-2N0 squamous cell carcinoma of the floor of mouth.
| Variables | Univariate analysis | Cox model | |
|---|---|---|---|
| p | p | RR [95%CI] | |
| Age (<62 vs. ≥62) | 0.285 | ||
| Sex | 0.654 | ||
| Smoking | 0.325 | ||
| Drinking | 0.452 | ||
| SMG preservation | 0.524 | ||
| pT stage (T1 vs. T2) | 0.078 | ||
| Neck node stage (N0 vs. N+) | 0.002 | <0.001 | 2.222 [1.258–5.331] |
| Perineural invasion | 0.236 | ||
| Lymphovascular invasion | 0.014 | 0.005 | 2.338 [1.726–5.434] |
| Tumor differentiation | 0.021 | ||
| Well | |||
| Moderate | 0.015 | 2.114 [1.235–4.002] | |
| Poor | <0.001 | 4.669 [1.978–9.224] | |
| Adjuvant treatment | 0.444 | ||
Gray indicates the variable is significant.