Table 1. The clinical characteristics of IV CRC patients.
| Clinical characteristic | TCGA | GSE17536 | ||
|---|---|---|---|---|
| Total (n=85) | Percent (%) | Total (n=38) | Percent (%) | |
| Age | ||||
| <60 | 32 | 37.65 | 14 | 36.84 |
| ≥60 | 53 | 62.35 | 24 | 63.16 |
| Gender | ||||
| Male | 50 | 58.82 | 25 | 65.79 |
| Female | 35 | 41.18 | 13 | 34.21 |
| Race | ||||
| White | 55 | 64.71 | 33 | 86.84 |
| Non-White | 30 | 35.29 | 5 | 13.16 |
| Site | ||||
| Right | 23 | 27.06 | NA | NA |
| Left | 33 | 38.82 | NA | NA |
| Rectum | 14 | 16.47 | NA | NA |
| Unknown | 15 | 17.65 | NA | NA |
| CEA | ||||
| ≤5 ng/ml | 12 | 14.12 | NA | NA |
| >5 ng/ml | 48 | 56.47 | NA | NA |
| Unknown | 25 | 29.41 | NA | NA |
| T stage | ||||
| T1 | 0 | 0 | NA | NA |
| T2 | 2 | 2.35 | NA | NA |
| T3 | 56 | 65.88 | NA | NA |
| T4 | 27 | 31.77 | NA | NA |
| N stage | ||||
| 0 | 10 | 11.76 | NA | NA |
| 1 | 34 | 40.00 | NA | NA |
| 2 | 41 | 48.24 | NA | NA |
| Survival status | ||||
| Living | 45 | 52.94 | 10 | 26.32 |
| Dead | 40 | 47.06 | 28 | 73.68 |
Abbreviations: CEA, carcinoembryonic antigen; NA, not available.