Table 1.

The correlation between clinicopathological characteristics and OS/ DFS in CRC, LsCC and RsCC patients from TCGA database.

Characteristics	OS						DFS
	CRC		LsCC		RsCC		CRC		LsCC		RsCC
	χ2	P	χ2	P	χ2	P	χ2	P	χ2	P	χ2	P
Sex	0.904	0.342	0.083	0.774	1.476	0.224	2.545	0.111	0.918	0.338	0.507	0.477
Age	10.675	0.001	7.283	0.007	2.125	0.145	0.055	0.815	0.018	0.893	0.280	0.597
Race	0.186	0.911	0.286	0.867	0.180	0.914	0.823	0.663	0.624	0.732	0.771	0.680
Clinical stage	19.041	0.000	10.624	0.001	10.975	0.001	20.781	0.000	9.937	0.002	11.082	0.001
Infiltration depth	2.804	0.094	0.116	0.734	5.518	0.019	9.111	0.003	1.849	0.174	6.981	0.008
Lymph-node metastasis	17.505	0.000	9.258	0.010	12.840	0.002	23.180	0.000	11.658	0.003	24.627	0.000
Distant metastasis	19.612	0.000	2.032	0.154	24.049	0.000	24.286	0.000	5.938	0.015	15.097	0.000
KRAS mutation	0.732	0.392	1.001	0.317	1.582	0.208	0.963	0.326	2.253	0.133	0.039	0.844

CRC colorectal cancer, DFS disease-free survival, LsCC left-sided colorectal cancer, OS over-all survival, RsCC right-sided colorectal cancer.