Table 1. Clinicopathologic features of 240 TCGA COAD patients.
| Characteristic | Training set (N = 119) | Testing set (N = 121) | pvalue |
|---|---|---|---|
| No. of patients (%) | No. of patients (%) | ||
| Age (mean ± SD) | 66.4 ± 13.0 | 63.2 ± 13.8 | 0.069a |
| Gender | |||
| Male | 60 (50.4%) | 54 (44.6%) | 0.438b |
| Female | 59 (49.6%) | 67 (55.4%) | |
| Stage | |||
| I | 20 (16.8%) | 20 (16.5%) | 0.998c |
| II | 47 (39.5%) | 48 (39.7%) | |
| III and IV | 52 (43.7%) | 53 (43.8%) | |
| Primary tumor | |||
| T1 and T2 | 20 (16.8%) | 23 (19.0%) | 0.737b |
| T3 and T4 | 99 (83.2%) | 98 (81.0%) | |
| Microsatellite status | |||
| MSI-L | 23 (19.3%) | 23 (19.0%) | 0.995c |
| MSI-H | 20 (16.8%) | 20 (16.5%) | |
| MSS | 76 (63.9%) | 78 (64.4%) | |
| Lymphatic_invasion | |||
| No | 77 (64.7%) | 77 (63.6%) | 0.999b |
| Yes | 33 (27.7%) | 34 (28.1%) | |
| Unknown | 9 (7.6%) | 10 (8.3%) | Excluded |
Notes.
a
t test.
b
Fisher’s exact test.
c
Chi-squared test.