Table 2. Univariate analysis of outcome predictors.

		DFS			OS
Stage/Gene	Mutant Number	P	Hazard Ratio	95% CI	P	Hazard Ratio	95% CI
KRAS
Stage II	28	0.389	2.749	0.249 to 30.324	0.400	2.802	0.254 to 30.911
Stage III	25	0.412	0.574	0.152 to 2.163	0.404	0.568	0.151 to 2.144
Stage II and III	53	0.727	0.824	0.276 to 2.458	0.692	0.802	0.269 to 2.393
BRAF
Stage II	6*	–	–	–	–	–	–
Stage III	4	0.578	1.792	0.229 to 14.030	0.563	1.833	0.234 to 14.336
Stage II and III	10	0.958	0.946	0.124 to 7.235	0.986	0.982	0.128 to 7.510
PIK3CA
Stage II	8*	–	–	–	–	–	–
Stage III	11	0.945	1.056	0.228 to 4.891	0.904	1.099	0.237 to 5.086
Stage II and III	19	0.920	0.926	0.207 to 4.140	0.961	0.964	0.216 to 4.306

*No death events in this group.