Table 1.
Patient characteristics
| No. of patients | % | |
|---|---|---|
| Total number of patients | 132 | |
| Sex | ||
| Male | 79 | 59.8 |
| Female | 53 | 40.2 |
| Median age(range) | 62(26-83) | |
| <60 | 52 | 39 |
| ≥60 | 80 | 61 |
| CEA | ||
| ≤5 ng/mL | 99 | 75.6 |
| >5 ng/mL | 32 | 24.4 |
| Tumor size | ||
| <5 cm | 58 | 43.9 |
| ≥5 cm | 74 | 56.1 |
| Lymph node ratio | ||
| pNr1 0.01-0.11 | 103 | 78 |
| pNr2 0.12-0.24 | 17 | 12.9 |
| pNr3 0.25-0.92 | 12 | 9.1 |
| Primary Tumor | ||
| pT1 | 12 | 9.1 |
| pT2 | 19 | 14.4 |
| pT3 | 90 | 68.2 |
| pT4 | 11 | 8.3 |
| Regional Lymph nodes | ||
| N0 | 75 | 56.8 |
| N1 | 36 | 27.3 |
| N2 | 21 | 15.9 |
| Differentiation | ||
| Well | 67 | 50.8 |
| Moderate | 52 | 39.4 |
| Poor | 5 | 3.8 |
| Mucinous | 8 | 6.1 |
| TNM stage | ||
| Stage I | 27 | 20.5 |
| StageII | 48 | 36.4 |
| StageIII | 57 | 43.2 |
CEA: carcinoembryonic antigen, normal range 0-5 ng/mL