Table 1. Clinical characteristics of patients with colorectal cancer in the TCGA and validation cohort.
| Variable | TCGA | Validation Cohort | |||
|---|---|---|---|---|---|
| N | % | N | % | ||
| Sex | Male | 201 | 55.7 | 101 | 52.1 |
| Female | 160 | 44.3 | 93 | 47.9 | |
| Age | 64 | 31-90 | 65 | 19-87 | |
| Grade | G1 | / | / | 84 | 43.3 |
| G2 | / | / | 86 | 44.4 | |
| G3 | / | / | 24 | 12.4 | |
| T stage | T1/T2 | 68 | 18.8 | 31 | 16.0 |
| T3/T4 | 291 | 80.6 | 163 | 84.0 | |
| TX | 2 | 0.6 | / | / | |
| N stage | N0 | 198 | 54.8 | 101 | 56.7 |
| N1 | 98 | 27.1 | 57 | 29.4 | |
| N2 | 63 | 17.5 | 27 | 13.9 | |
| Nx | 2 | 0.6 | / | / | |
| M stage | M0 | 299 | 82.9 | 185 | 100 |
| M1 | 50 | 13.9 | / | / | |
| Mx | 12 | 3.3 | / | / | |
| Lymphovascular invasion | Negative | 203 | 56.2 | 173 | 89.2 |
| Positive | 112 | 31.0 | 21 | 10.8 | |
| Unknown | 46 | 12.7 | / | / | |