TABLE 1.
Patient characteristics
| Variable | n = 221 |
|---|---|
| Age, median (interquartile range) | 68.0 (60.0, 76.0) |
| Sex, n (%) | |
| Female | 104 (47.1) |
| Male | 117 (52.9) |
| Adjuvant chemotherapy, n (%) | |
| No | 47 (21.3) |
| Yes | 172 (77.8) |
| Not reported | 2 (.9) |
| Site, n (%) | |
| Proximal | 99 (44.8) |
| Caecum | 38 (17.2) |
| Ascending colon | 33 (14.9) |
| Hepatic flexure | 10 (4.5) |
| Transverse colon | 18 (8.1) |
| Distal | 118 (53.4) |
| Splenic flexure | 9 (4.1) |
| Descending colon | 10 (4.5) |
| Sigmoid colon | 80 (36.2) |
| Rectosigmoid junction | 19 (8.6) |
| Not reported | 4 (1.8) |
| T Stage, n (%) | |
| T1 | 3 (1.4) |
| T2 | 22 (10.0) |
| T3 | 127 (57.5) |
| T4 | 64 (29.0) |
| Not reported | 5 (2.3) |
| N Stage, n (%) | |
| N1 | 141 (63.8) |
| N2 | 76 (34.4) |
| Not reported | 4 (1.8) |
| Number of metastatic nodes, median (interquartile range) | 3 (1, 5) |
| Lymphovascular invasion, n (%) | |
| Absent | 110 (49.8) |
| Present | 104 (47.1) |
| Not reported | 7 (3.2) |
| Extramural vascular invasion, n (%) | |
| Absent | 148 (67.0) |
| Present | 61 (27.6) |
| Not reported | 12 (5.4) |
| Perineural invasion, n (%) | |
| Absent | 174 (78.7) |
| Present | 38 (17.2) |
| Not reported | 9 (4.1) |
| Grade, n (%) | |
| Low or moderate grade | 158 (71.5) |
| High grade | 32 (14.5) |
| Not reported | 31 (14.0) |
| 5‐year survival, n (%) | |
| Alive | 141 (63.8) |
| Died | 80 (36.2) |
| Follow‐up time (months), median | 143.7 |