Variables | Overall survival | Disease-free survival | ||||||
---|---|---|---|---|---|---|---|---|
Univariate analysis | Multivariate analysis | Univariate analysis | Multivariate analysis | |||||
HR (95%CI) | P | HR (95%CI) | P | HR (95%CI) | P | HR (95%CI) | P | |
Gender: male/female | 1.11 (0.60–2.08) | 0.739 | 0.72 (0.42–1.23) | 0.225 | ||||
Operative type: open/lap.* | 1.30 (0.76–2.15) | 0.224 | 1.41 (0.80–2.47) | 0.230 | ||||
CEA > 5 | 1.53 (1.11–3.58) | 0.008 | 2.32 (1.26–4.98) | 0.022 | 2.35 (1.85–4.39) | < 0.001 | 1.77 (1.29–4.15) | 0.038 |
ASA: I-II/III-IV | 0.93 (0.73–1.94) | 0.811 | 1.25 (0.64–2.13) | 0.410 | ||||
Comorbidity | 1.32 (0.78–2.33) | 0.222 | 1.06 (0.53–1.51) | 0.639 | ||||
Tumor size ≥5 cm | 1.49 (0.97–2.95) | 0.156 | 1.14 (0.63–1.97) | 0.443 | ||||
N stage | ||||||||
N0 | Reference | – | Reference | – | Reference | – | Reference | – |
N1 | 3.60 (1.56–8.30) | 0.003 | 0.36 (0.05–2.77) | 0.324 | 3.93 (1.94–7.96) | < 0.001 | 0.45 (0.06–3.46) | 0.444 |
N2 | 14.37 (6.11–33.82) | < 0.001 | 1.03 (0.16–1.59) | 0.854 | 12.25 (5.91–25.43) | < 0.001 | 1.46 (0.20–2.30) | 0.714 |
TNM stage: I-II/III-IV | 6.43 (2.93–14.10) | < 0.001 | 9.82 (3.15–83.55) | 0.002 | 6.26 (3.22–12.18) | < 0.001 | 9.67 (3.18–79.30) | 0.012 |
Differentiation | 0.61 (0.31–1.21) | 0.157 | ||||||
Poor | Reference | – | Reference | – | Reference | – | ||
Median | 0.63 (0.32–1.25) | 0.189 | 0.80 (0.52–1.47) | 0.286 | ||||
High | 0.72 (0.40–1.53) | 0.279 | 0.75 (0.45–1.33) | 0.248 | ||||
Perineural invasion | 4.24 (2.21–8.14) | < 0.001 | 1.57 (1.15–3.21) | 0.041 | 2.12 (1.42–4.25) | 0.002 | 2.09 (1.59–5.32) | 0.020 |
Vascular invasion | 2.72 (1.44–5.14) | 0.002 | 1.23 (0.61–2.47) | 0.075 | 1.78 (1.02–3.09) | 0.041 | 1.63 (0.88–2.95) | 0.133 |
Retrieved lymph node | 0.85 (0.71–1.72) | 0.533 | 0.79 (0.51–1.43) | 0.273 | ||||
Postoperative complication | 0.96 (0.84–1.98) | 0.857 | 1.32 (0.70–2.41) | 0.396 |