Table 10.

Clinical factors that may affect its prognosis for single factor and multivariate analysis

Clinical factors	EFS				OS
	Single factor	HR	95% CI	P	Single factor	HR	95% CI	P
Age	0.046	3.39	0.237-1.046	0.065	0.028	N1	N1
Primary site	0.186	N1	N1		0.051	N1	N1
pathologic type	0.022	N1	N1		0.29
Group	0.000	13.93	0.060-0.417	0.003	0.000	9.22	0.006-0.549	0.026
Size	0.008	N1	N1		0.165	N1	N1

N1: not in the final Cox model.