Table 3. Comparison between non-relapsed and relapsed colorectal cancer patients.
| Non-relapse N = 250 | Relapse N = 48 | P | |
|---|---|---|---|
| Gender (Male/Female) | 144/106 | 24/24 | 0.331 |
| Age (year) | 64.2±11.0 | 65.3±12.8 | 0.546 |
| Maximum tumor size≧5cm | 66 (26.4%) | 12 (25%) | 0.840 |
| Location (rectum/colon) | 58/192 | 19/29 | 0.018 |
| Depth of tumor invasion | 96/154 | 15/33 | 0.348 |
| T (1+2/3+4) | |||
| Lymph node metastasis | 157/93 | 27/21 | 0.392 |
| N (0/1+2) | |||
| Histology (WD+MD/PD) | 214/9 | 45/3 | 0.392 |
| TNM stage (I-II/III) | 157/93 | 27/21 | 0.392 |
| Vascular invasion | 68 (27.2%) | 18 (37.5%) | 0.149 |
| Perineural invasion | 45 (18.0%) | 16 (33.3%) | 0.016 |
| Abnormal preoperative CEA level | 72 (28.8%) | 26 (54.2%) | 0.001 |
| Abnormal postoperative CEA level | 42 (16.8%) | 29 (60.4%) | <0.001 |
| Positive biomarker chip | 20 (8.0%) | 42 (87.5%) | <0.001 |
| Mortality | 6 (1.6%) | 20 (29.5%) | <0.001 |
| Follow up (month) | |||
| Median, range | 29.6, 7.3–59.8 | 24.1, 3.0–61.3 | 0.058 |
| Mean ± SD | 29.5±9.5 | 26.6±10.6 | |