Table 3. Multivariate analysis for different prognostic variable in patients with clinical stage I non-seminomatous germ cell tumours by Cox regression analysis.

Variable	OR (95% CI)	P
Age at surgery	(0.987, 1.128)	0.117
Primary tumour clinic stage	(1.008, 8.522)	0.048
Tumour local side	(0.593, 6.820)	0.262
Initial treatment after orchiectomy	(0.101, 0.855)	0.025
History of cryptorchidism	(0.043, 0.581)	0.005

Abbreviations: CI, confidence interval; OR, odds ratio.