Table 1.
CRC patients’ characteristics
| Variable | N = 283 | % | |
|---|---|---|---|
| Gender | Male | 160 | 56.5 |
| Female | 123 | 43.5 | |
| Differentiation | Grade 1 | 18 | 6.4 |
| Grade 2 | 191 | 67.5 | |
| Grade 3 | 64 | 22.6 | |
| Grade 4 | 7 | 2.5 | |
| n.d. | 3 | 1.1 | |
| T classification | T1 | 19 | 6.7 |
| T2 | 55 | 19.4 | |
| T3 | 159 | 56.2 | |
| T4 | 46 | 16.3 | |
| cis | 4 | 1.4 | |
| Lymph node invasion | No | 148 | 52.3 |
| Yes | 135 | 47.7 | |
| Distant metastasis | No | 212 | 74.9 |
| Yes | 71 | 25.1 | |
| Stage (UICC) | 0 | 4 | 1.4 |
| I | 62 | 21.9 | |
| II | 68 | 24.0 | |
| III | 78 | 27.6 | |
| IV | 71 | 25.1 | |
| Tumor localization | Left colon | 160 | 56.5 |
| Right colon | 119 | 42.1 | |
| n.d. | 4 | 1.4 | |
| 5-year survival | 52.9 | ||
| Age (years) | Median | 70.13 | |
| Range | 29.81–89.68 | ||
| Overall survival (months) | Median | 28.16 | |
| Range | 0.13–141.38 | ||
Abbreviations: n.d not determined, cis carcinoma in situ