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. 2021 May 24;11:10734. doi: 10.1038/s41598-021-90220-8

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.