|  | Overall survival | Disease-free survival | ||
---|---|---|---|---|---|
 |  | HR (95% CI) | p | HR (95% CI) | p |
Anastomotic leakage | No | 1 (reference) | 1 (reference) | ||
Yes | 1.53 (1.01–2.32) | 0.041 | 1.51 (1.05–2.19) | 0.026 | |
Stage of disease | I | 1 (reference) | 1 (reference) | ||
II | 1.26 (0.72–2.20) | 0.403 | 1.52 (0.93–2.48) | 0.090 | |
III | 2.28 (1.38–3.78) | 0.001 | 2.94 (1.88–4.59) | 0.001 | |
IV | 5.87 (3.26–10.56) | 0.001 | 6.04 (3.51–10.38) | 0.001 | |
Gender | Male | 1 (reference) | 1 (reference) | ||
Female | 1.03 (0.76–1.39) | 0.832 | 0.95 (0.73–1.23) | 0.714 | |
Age (years) | ≤ 55 | 1 (reference) | 1 (reference) | ||
56–70 | 1.15 (0.71–1.85) | 0.566 | 1.02 (0.70–1.49) | 0.889 | |
≥ 71 | 1.90 (1.16–3.11) | 0.010 | 1.15 (0.76-1.73) | 0.498 | |
Comorbidities by CCI | 0–5 | 1 (reference) | 1 (reference) | ||
≥ 6 | 2.48 (1.64–3.74) | 0.001 | 2.14 (1.48–3.10) | 0.001 |