Table 4 KRAS and BRAF mutations, and frequency of CpG island methylator phenotype (CIMP).
KRAS | BRAF | No of methylated loci | CIMP | |||||
---|---|---|---|---|---|---|---|---|
0 | 1 | 2 | 3 | 4 | 5 | ⩾4 | ||
Mutant | Wild‐type | 59 | 37 | 21 | 10 | 5 | 2 | 7/134 (5.2%)*† |
Wild‐type | Mutant | 5 | 2 | 6 | 7 | 14 | 29 | 43/63 (68%)*‡ |
Wild‐type | Wild‐type | 107 | 34 | 17 | 8 | 8 | 15 | 23/189 (12%)†‡ |
*KRAS mutant versus BRAF mutant, p = 10−20; †KRAS mutant versus both wild‐types, p = 0.05; ‡BRAF mutant versus both wild‐types, p = 6×10−17.