Table 3.

Survival Analysis for Subgroup of Patients with Age ≤40

Group	Short Time Interval (n=115)		Long Time Interval (n=110)		P value
	5-Year	10-Year	5-Year	10-Year
OS	83.8%	62.7%	85.2%	78.1%	0.168*
DFS	75.7%	59.4%	72.9%	57.1%	0.715*

Note: *Calculated by Kaplan–Meier method.

Abbreviations: OS, overall survival; DFS, disease-free survival.