Table I.

Clinicopathological characteristics of the patients.

Characteristics	Number of patients (relapse)	P-value	HR (95% CI)
Age		0.030	1.669 (1.037-2.688)
>57	123(35)
≤57	132(36)
Sex		0.200	1.359 (0.8058-2.291)
Male	160(49)
Female	95(22)
Cancer status
Unknown	3(1)	7x10-10
With tumor	160(18)		0.802 (0.1089-5.908)
Tumor free	92(52)		0.1572 (0.0206-1.201)
Radiation therapy		0.200	1.7204 (0.851-3.478)
Unknown	1 (0)
Yes	38(9)
No	216(62)
Pathological T-stage		0.009	2.003 (1.175-3.412)
T1-T3	165(49)
T4	90(22)

HR, hazard ratio; CI, confidence interval.