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 |