Table 3.

Multivariate Analysis of Disease-Free Survival in the Training Set

Characteristics		HR	95.0% CI	P-value
Radscore		10.276	2.511~42.048	0.001
Nstage	0	Ref
	1	0.65	0.058~7.256	0.727
	2	25.327	2.449~261.877	0.007
	3	16.304	2.229~119.269	0.006
Enhancement type		0.126	0.021~0.739	0.022
Tumor margin		0.514	0.098~2.691	0.431
Size		0.000	0.000~3.090E+209	0.961

Abbreviations: HR, hazard ratio; CI, confidence interval.