Table 2 Univariate Analysis of Variables that Affected the Overall Survival Rate Determined by Cox Proportional Hazards Model
Variable | Relative risk | 95%CI | p-value |
|---|---|---|---|
Age (<65 yrs/≦65 yrs) | 1.070 | 0.699–1.710 | 0.080 |
Gender (male/female) | 1.537 | 0.866–2.383 | 0.1605 |
Histology (SCC/others) | 1.174 | 0.688–2.005 | 0.5560 |
Tumor grade (mode., poor/well) | 1.802 | 1.130–2.478 | 0.0003 |
T status (T2, T3/T1) | 2.669 | 1.878–3.794 | <0.0001 |
N status (N1, N2/N0) | 5.911 | 3.600–9.705 | <0.0001 |
Stage (stage II, III/Stage I) | 8.143 | 4.851–12.255 | <0.0001 |
Lymphatic invasion (positie/negative) | 3.634 | 2.074–6.367 | <0.0001 |
Vascular invasion (positive/negative) | 3.198 | 1.974–5.181 | <0.0001 |
ILK (strong/weak or no) | 2.926 | 1.827–4.686 | <0.0001 |