Table 6 Multivariate analysis for disease-free survival and overall survival
| Factors | Hazard ratio (95% CI) | |
|---|---|---|
| DFS | OS | |
|
Performance status (ECOG) (1 vs. 0) |
1.20 (0.56-2.60) p = 0.634 |
1.51 (0.59-3.86) p = 0.395 |
|
Cigarette smoking (current smokers vs. non-smokers) |
0.93 (0.25-3.41) p = 0.909 | / |
|
Alcohol consumption (current drinkers vs. non-drinkers) |
1.47 (0.59-3.63) p = 0.399 |
1.17 (0.49-2.77) p = 0.722 |
|
T stage (T4 vs. T2-3) |
0.70 (0.28-1.72) p = 0.431 |
0.76 (0.29-2.02) p = 0.582 |
|
N stage (N2-3 vs. N0-1) |
0.62 (0.22-1.74) p = 0.362 |
1.10 (0.30-4.11) p = 0.887 |
|
Overall stage (IVA-B vs. III) |
8.40 (2.11-33.47) p = 0.003 |
3.82 (0.73-19.97) p = 0.112 |
|
Haemoglobin level ≤ 12.5 g/dL vs. > 12.5 g/dL |
0.28 (0.13-0.61) p = 0.002 |
0.24 (0.10-0.60) p = 0.002 |