Table 1 Basic characteristics of the patients with stage I-III CRC in the discovery cohort
Clinicopathological parameters | All patients (N = 124) |
|---|---|
Sex | |
 Male | 81 (65.3%) |
 Female | 43 (34.7%) |
Age | |
 Median [range] | 61 (29–75) |
Stage | |
 I | 19 (15.3%) |
 II | 52 (41.9%) |
 III | 53 (42.7%) |
Tumor location | |
 Left | 94 (75.8%) |
 Right | 30 (24.2%) |
Histologic type | |
 Adenocarcinoma | 114 (91.9%) |
 Mucinous | 10 (8.1%) |
Histopathological differentiation grade | |
 Poor | 9 (7.7%) |
 Medium/Well | 108 (92.3%) |
Lymphatic/vascular invasion | |
 No | 100 (80.6%) |
 Yes | 24 (19.4%) |
Nerve invasion | |
 No | 106 (85.5%) |
 Yes | 18 (14.5%) |
MSI status | |
 MSS | 113 (91.1%) |
 MSI-H | 11 (8.9%) |
pre_CEA (ug/L) | |
  <  = 5 | 74 (61.7%) |
  > 5 | 46 (38.3%) |
Adjuvant chemotherapy | |
 No | 57 (46.0%) |
 Yes | 67 (54.0%) |