Table 4.

Cox regression analysis.

Cox Regression Analysis—5 Years. Model Chi-Square = 22.25, p = 0.0002
Parameter	Parameter Estimate	Chi-Square	p-Value	Hazard Ratio (HR)
Age < 1	2.07	5.75	0.016	7.97
Age ≥ 10	1.82	11.07	0.001	6.22
N1	2.44	13.65	0.0002	11.51
MVD/CD105	0.01	6.19	0.013	1.009