Table 1 Population and tumor samples characteristics
N (%) | |
|---|---|
Age (years) | |
· Median (range) | 68 (45–87) |
Gender | |
· Female | 34 (37.0%) |
· Male | 58 (63.0%) |
Primary tumor location | |
· Right colon | 27 (29.3%) |
· Transverse colon | 5 (5.4%) |
· Left colon | 9 (9.8%) |
· Sigmoid colon | 18 (19.6%) |
· Recto sigmoid colon | 14 (15.2%) |
· Rectum | 19 (20.7%) |
Histology | |
· Conventional adenocarcinoma | 79 (85.9%) |
· Mucinous or colloid adenocarcinoma | 12 (13.0%) |
· Signet ring cell adenocarcinoma | 1 (1.1%) |
Tumor differentiation | |
· Well differentiated | 22 (23.9%) |
· Moderately differentiated | 46 (50.0%) |
· Poorly differentiated | 12 (13.0%) |
TNM stage | |
· I | 8 (8.7%) |
· II | 22 (23.9%) |
· III | 24 (26.1%) |
· IV | 37 (40.2%) |
· Unknown | 1 (1.1%) |
Baseline CEA (ng/mL) | |
· High | 33 (35.9%) |
· Normal | 59 (64.1%) |
· Median (range) | 3 (0–13.318) |