Table 2.
Patients' clinicopathological data.
| Risks factors | Tumour tissues | |
|---|---|---|
| Negative liver metastases 53 (41) |
Positive liver metastases 47 (36) |
|
| Gender | ||
| Male (n = 37) | 53 (22) | 41 (15) |
| Female (n = 40) | 47 (19) | 59 (21) |
| Age | ||
| >51 (n = 41) | 53 (22) | 52 (19) |
| <51 (n = 36) | 47 (19) | 48 (17) |
| Tumor size | ||
| <5 (n = 40) | 44 (18) | 61 (22) |
| ≥5 (n = 36) | 66 (22) | 39 (14) |
| Tumor location | ||
| Colon (32) | 39 (16) | 45 (16) |
| Rectum (45) | 61 (25) | 55 (20) |
| Depth of tumor invasion∗ (T factor) | ||
| T1 (n = 0) | 0 | 0 |
| T2 (n = 25) | 49 (20) | 14 (5) |
| T3 (n = 45) | 46 (19) | 72 (26) |
| T4 (n = 7) | 5 (2) | 14 (5) |
| Lymph node metastasis∗ (N factor) | ||
| N0 (n = 38) | 76 (31) | 19 (7) |
| N1 (n = 25) | 12 (5) | 56 (20) |
| N2 (n = 14) | 12 (5) | 25 (9) |
Data are percentage of patients with number in parentheses.
*P < 0.05 for the comparison primary tumors without CLM versus primary tumors with CLM.