Table 3.

ERCC1, TS, EGFR, VEGFR2 Gene Expression Levels by KRAS and BRAF Mutation Status

	KRAS Mutation Status					BRAF Mutation Status
	Mutant			Wildtype		Mutant			Wildtype
Gene	N	Median (range)		N	Median (range)	N	Median (range)		N	Median (range)
ERCC1	176	0.87 (0.23–2.96)		211	0.98 (0.17–6.66)	35	0.94 (0.28–2.47)		356	0.91 (0.20–6.66)
P value*			0.01					0.35
TS	174	2.08 (0.52–21.43)		209	2.38 (0.65–18.99)	34	3.38 (1.01–13.81)		352	2.17 (0.52–21.43)
P value*			0.03					<0.001
EGFR	175	1.61 (0.33–7.17)		208	2.06 (0.63–71.28)	33	2.20(1.12–3.50)		349	1.75 (0.33–71.28)
P value*			<0.001					0.002
VEGFR2	117	1.19 (0.23–7.66)		158	1.35 (0.18–13.00)	26	1.48 (0.29–3.41)		252	1.25 (0.18–13.0)
P value*			0.003					0.64

^*Based on Kruskal-Wallis test.