Table 1. Clinicopathological features of human colon tumors analyzed.
| Clinicopathological features | Responders n (%) | Non responders n (%) | P valuea |
|---|---|---|---|
| Histology | 14 | 11 | 0,1729 |
| Adenocarcinoma | 13 (93) | 8 (73) | |
| Mucinous adenocarcinoma | 1 (7) | 3 (27) | |
| Tumor size | 14 | 10 | 0,2850 |
| T1 | 0 | 0 | |
| T2 | 0 | 0 | |
| T3 | 10 (71) | 5 (50,0) | |
| T4 | 4 (29) | 5 (50,0) | |
| Nodal Status | 14 | 10 | 0,5529 |
| N0 | 5 (36) | 2 (20) | |
| N1 | 2 (14) | 3 (30) | |
| N≥ 2 | 7 (50) | 5 (50) | |
| Metastasis | 14 | 10 | 0,1515 |
| M0 | 12 (86) | 6 (60,0) | |
| M1 | 2 (14) | 4 (40,0) | |
| Stage | 14 | 10 | 0,2138 |
| I | 0 | 0 | |
| II | 5 (36) | 1 (10) | |
| III | 7 (50) | 5 (50) | |
| IV | 2 (14) | 4 (40) |
aNone of the clinical-pathological variables were significantly different when comparing responders and non-responders to treatment with cetuximab (* p <0.05; Chi-square test).
Number of cases (n), and corresponding percentages are indicated in each case.