Table 3

Clinicopathological and molecular features of BRAF mutant colorectal cancers stratified according to microsatellite instability status.


MSI-

MSI+






Feature
BRAF WT (n = 192) (%)
BRAF M (n = 9) (%)
P
BRAF WT (n = 19) (%)
BRAF M (n = 12) (%)
P

Age (years)
68.5 ± 12.6
58.2 ± 26.5
NS
67.5 ± 16.8
76.1 ± 10.9
NS
Females
39
44
NS
63
75
NS
TILS + a
3
44
0.0004
28
60
0.08
Node negative
62
62
NS
81
89
NS
Proximal site
36
67
0.05
72
89
NS
Poor grade
15
40
0.12
25
56
0.11
Mucinous
12
53
0.05
6
44
0.04
CIMP+
15
50
0.03
40
88
0.03
Dist. MLH1 methylated
7
12
NS
40
75
0.10
Prox. MLH1 methylated
1
0
NS
33
75
0.06
KRAS mutant
43
0
0.008
21
0
0.12
TP53 mutant
29
11
NS
5
18
NS

aTumor-infiltrating lymphocytes

Qi Li et al. Molecular Cancer 2006 5:2   doi:10.1186/1476-4598-5-2