Overall survival | Disease-free survival | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
3-yr- (%) | 5-yr (%) | 10-yr (%) | P value | 3-yr (%) | 5-yr (%) | 10-yr (%) | P value | ||||
Univariate | Multivariate | Univariate | Multivariate | ||||||||
Group | I | 86.1 | 82.5 | 61.1 | 87.5 | 85.6 | 81.2 | ||||
II | 70.3 | 66.7 | 59.3 | 66.7 | 62.9 | 62.9 | |||||
III | 77.2 | 71.2 | 64.9 | 0.655 | NS | 82.8 | 81.5 | 81.5 | 0.102 | NS | |
Location | Cecum | 82.1 | 79.5 | 63.4 | 84.6 | 78.6 | 78.6 | ||||
Ascending | 79.1 | 71.9 | 57.8 | 81.8 | 80.3 | 73.9 | |||||
Hepatic flexure | 77.9 | 75.6 | 59.4 | 81.3 | 81.3 | 81.3 | |||||
Proximal transverse | 73.7 | 66.9 | 58.6 | 0.736 | NS | 78.6 | 78.6 | 78.6 | 0.968 | NS | |
Approach | Open | 78.3 | 73.4 | 57.5 | 81.6 | 78.4 | 75.3 | ||||
Lap | 79.4 | 74.8 | 66.3 | 0.884 | 82.2 | 82.2 | 82.2 | 0.518 | NS§ | ||
Vessel ligation | Low ligation | 76.9 | 69.2 | 55.4 | 69.2 | 69.2 | 69.2 | ||||
High ligation | 78.9 | 74.1 | 63.8 | 0.834 | NS | 83.1 | 83.1 | 83.1 | 0.185 | NS | |
Stage | II | 87.6 | 81.8 | 66.6 | 89.1 | 87.9 | 83.9 | ||||
III | 64.8 | 61.6 | 45.5 | 0.004 | NS | 69.9 | 66.2 | 66.2 | <0.001 | NS | |
Pathologic T | 2 | 60.0 | 60.0 | 60.0 | 60.0 | 60.0 | 60.0 | ||||
3 | 82.4 | 78.2 | 62.3 | 84.3 | 82.6 | 80.5 | |||||
4 | 56.2 | 45.4 | 31.1 | 0.003 | NS | 67.3 | 60.6 | 52.9 | 0.015 | NS | |
Pathologic N | 0 | 87.3 | 81.3 | 66.9 | 89.6 | 88.3 | 84.1 | ||||
1 | 72.4 | 70.1 | 48.2 | 80.9 | 80.9 | 80.9 | |||||
2 | 55.2 | 50.6 | 43.4 | 0.008 | NS | 53.1 | 44.6 | 44.6 | <0.001 | NS | |
Differentiation | Well | 85.2 | 79.5 | 68.5 | 88.4 | 84.4 | 80.7 | ||||
Moderately | 79.9 | 75.1 | 50.8 | 83.3 | 83.3 | 83.3 | |||||
Poorly | 60.9 | 56.2 | 45.4 | 65.9 | 59.9 | 53.9 | |||||
Mucinous | 72.7 | 72.7 | 60.6 | 0.091 | NS | 66.7 | 66.7 | 66.7 | 0.025 | NS | |
Lymphatic invasion | No | 83.9 | 79.6 | 63.6 | 87.4 | 87.4 | 87.4 | ||||
Yes | 64.2 | 59.7 | 45.3 | 0.004 | 0.005 | 65.4 | 63.2 | 63.2 | <0.001 | <0.001 | |
Venous invasion | No | 79.7 | 75.1 | 58.4 | 83.6 | 82.8 | 82.8 | ||||
Yes | 25.0 | 25.0 | 25.0 | <0.001 | 0.001 | 12.5 | 12.5 | 12.5 | <0.001 | <0.001 | |
Perineural invasion | No | 80.5 | 77.1 | 59.1 | 82.9 | 82.9 | 82.9 | ||||
Yes | 56.5 | 46.3 | 46.3 | 0.029 | NS | 62.2 | 55.9 | 55.9 | 0.006 | NS | |
Lymph node retrieval | <12 | 58.3 | 52.5 | 45.9 | 62.8 | 62.8 | 62.8 | ||||
≥12 | 83.3 | 78.8 | 62.3 | 0.012 | 0.031 | 85.9 | 83.4 | 80.5 | 0.002 | <0.001 | |
Adjuvant CTx | No | 69.7 | 62.1 | 36.5 | 82.6 | 82.6 | 82.6 | ||||
Yes | 80.3 | 76.1 | 65.1 | 0.008 | NS | 81.4 | 79.0 | 75.9 | 0.621 | NS | |
Reoperation | No | 79.4 | 74.5 | 60.1 | 82.1 | 79.9 | 77.4 | ||||
Yes | 50.0 | 50.0 | 25.0 | 0.041 | NS | 75.0 | 75.0 | 75.0 | 0.463 | NS | |
Preoperative CEA | ≤5 | 89.1 | 83.5 | 68.1 | 89.8 | 87.5 | 82.3 | ||||
>5 | 64.7 | 62.5 | 49.1 | 0.003 | 0.031 | 68.2 | 65.2 | 65.2 | <0.001 | <0.001 | |
Postoperative CEA | ≤5 | 83.1 | 77.8 | 65.1 | 82.8 | 80.0 | 75.8 | ||||
>5 | 52.9 | 52.9 | 52.9 | 0.018 | NS | 64.2 | 64.2 | 64.2 | 0.051 | NS |