Table 2.
Primary tumour molecular status (n = 379).
| Molecular Status | Value |
|---|---|
| Microsatellite instability, n (%) | |
| No | 128 (33.8) |
| Yes | 50 (13.2) |
| Unknown | 201 (53.0) |
| KRAS status, n (%) | |
| Wild type | 179 (47.2) |
| Mutated | 175 (46.2) |
| Unknown | 25 (6.6) |
| RAS (KRAS + NRAS) status, n (%) | |
| Wild type | 88 (23.2) |
| Mutated | 190 (50.1) |
| Unknown | 101 (26.6) |
| BRAF status, n (%) | |
| Wild type | 71 (18.7) |
| Mutated | 7 (1.8) |
| Unknown | 301 (79.4) |
| PI3K status, n (%) | |
| Wild type | 24 (6.3) |
| Mutated | 6 (1.6) |
| Unknown | 349 (92.1) |
| HER2 status, n (%) | |
| Positive | 2 (0.5) |
| Negative | 22 (5.8) |
| Unknown | 355 (93.7) |