Table 4 Cox univariable analysis for overall survival (OS) according to patient, tumour and treatment modalities characteristicsa
| Â | Univariable | |
|---|---|---|
Variable | HR (95%CI) | p |
Age (years) (> 50 VS. ≤50) | 2.90 (1.12–7.49) | 0.028 |
Gender (Male VS. Female) | 0.83 (0.33–2.13) | 0.702 |
AJCC stage (III or IV VS. I or II) | 4.56 (1.02–20.35) | 0.046 |
T stage (T3 or T4 VS. T1 or T2) | 2.33 (0.82–6.63) | 0.113 |
N stage (N1-N3 VS. N0) | 3.05 (1.07–8.74) | 0.038 |
Tumor size (> 20 mm VS. ≤20 mm) | 0.63 (0.24–1.65) | 0.343 |
History of smoking (Yes VS. No) | 1.13 (0.33–3.83) | 0.848 |
Chemotherapy (Yes VS. No) | 1.26 (0.46–3.46) | 0.652 |
Radiotherapy (Yes VS. No) | 0.81 (0.33–1.96) | 0.634 |
Chemoradiotherapy (Yes VS. No) | 0.74 (0.31–1.76) | 0.488 |