Table 1 Univariate analyses of factors for overall survival (OS)
From: Prognostic factors in the patients with T2N0M0 colorectal cancer
Number (%) | 5-year OS (%) | 10-year OS (%) | χ 2 | P | |
|---|---|---|---|---|---|
Gender | |||||
Male | 435 (53.6) | 77.0 | 63.9 | 6.379 | 0.012 |
Female | 377 (46.4) | 86.4 | 71.1 | ||
Age (years) | |||||
≤35 | 32 (4.0) | 84.0 | 80.6 | 45.128 | 0.000 |
36–64 | 470 (57.9) | 82.1 | 76.0 | ||
≥65 | 310 (38.2) | 72.2 | 49.6 | ||
Depth of tumor invasion | |||||
Superficial muscle | 320 (39.4) | 82.7 | 67.6 | 2.071 | 0.156 |
Deep muscle | 492 (60.6) | 80.3 | 65.7 | ||
Lymphovascular permeation | |||||
Positive | 60 (7.4) | 69.2 | 50.4 | 11.075 | 0.001 |
Negative | 752 (92.6.) | 83.5 | 69.5 | ||
Perineural invasion | |||||
Positive | 31 (3.8) | 68.2 | 54.6 | 7.769 | 0.005 |
Negative | 781 (96.2.) | 83.1 | 68.4 | ||
Differentiation | |||||
Well | 207 (25.5) | 86.7 | 73.7 | 15.509 | 0.000 |
Moderate | 456 (56.2) | 81.7 | 66.7 | ||
Poor | 135 (16.6) | 71.1 | 48.5 | ||
Mucinous | 14 (1.7) | 67.7 | 14.3 | ||
Bowel obstruction | |||||
Yes | 90 (1.7) | 81.7 | 68.9 | 1.06 | 0.304 |
No | 722 (1.7) | 83.5 | 70.0 | ||
Location | |||||
Colon | 183 (11.1) | 86.5 | 73.6 | 1.56 | 0.212 |
Rectum | 629 (88.9) | 80.3 | 65.6 | ||
Preoperative CEA level(ng/ml) | |||||
<5 | 299 (36.8) | 82.0 | 66.8 | 0.583 | 0.747 |
≥5 | 513 (63.2) | 81.2 | 67.7 | ||
Preoperative CA19-9 level(ng/ml) | |||||
<37 | 643 (79.2) | 81.6 | 67.8 | 1.92 | 0.383 |
≥37 | 169 (20.8) | 82.1 | 63.3 |