Table 8.

Test of C-index distribution differences between our prognostic model and model with one covariate removed

Comparison	P value of the 2-year C-index	P value of the 3-year C-index	P value of the 5-year C-index	P value of bootstrap results
Without T stage	<  2.2 e-16	<  2.2 e-16	2.384 e-6	<  2.2 e-16
Without N stage	<  2.2 e-16	<  2.2 e-16	<  2.2 e-16	<  2.2 e-16
Without M stage	<  2.2 e-16	<  2.2 e-16	4.5 e-5	<  2.2 e-16
Without Age	<  2.2 e-16	0.228	<  2.2 e-16	<  2.2 e-16
Without Gene	<  2.2 e-16	<  2.2 e-16	<  2.2 e-16	<  2.2 e-16
Without Methylation	<  2.2 e-16	<  2.2 e-16	<  2.2 e-16	9.179 e-9
Without miRNA	0.102	0.431	0.00527	<  2.2 e-16