Table 1.
Patients’ clinical and disease characteristics
| Variables | No of patients (N=55) | % of patients |
|---|---|---|
| Age, median (range) (years) | 62 (39–82) | |
| ≤65 | 40 | 72.7 |
| >65 | 15 | 27.3 |
| Sex | ||
| Male | 35 | 63.6 |
| Female | 20 | 36.4 |
| Disease status | ||
| Metastatic | 47 | 85.5 |
| Recurrent | 8 | 14.5 |
| Palliative surgery | ||
| Yes | 36 | 65.5 |
| No | 19 | 34.5 |
| Primary site | ||
| Colon | 39 | 70.9 |
| Rectum | 16 | 29.1 |
| No of metastatic sites | ||
| 0–1 | 13 | 23.6 |
| ≥2 | 42 | 76.4 |
| Liver metastasis | ||
| Yes | 37 | 67.3 |
| No | 18 | 32.7 |
| KRAS | ||
| Mutant | 25 | 45.5 |
| Wild type | 30 | 54.5 |
| CA 19-9 | ||
| ≤37 IU/mL | 36 | 65.5 |
| >37 IU/mL | 19 | 34.5 |
| Chemotherapy | ||
| First line | 55 | 100.0 |
| Second line | 55 | 100.0 |
| Third or more line | 39 | 70.9 |
| CXCR4 level, median (range) (pg/mL) | 271.76 (56.52–860.10) | |
Abbreviation: CXCR4, C-X-C chemokine receptor type 4.