Table 3.

Results of univariate and multivariate analyses for overall survival among patients treated with curative intent

Parameter	Univariate P value	Multivariate P value and hazard ratio
Patient demographic characteristic
Age >60	.003	.004	2.86 (1.39–5.88)
Female	.892
ECOG PS >1	.030	.079	1.79 (.935–3.42)
Elevated serum LDH	.043	.085	1.32 (.962–1.82)
Deep lesions	.223
Multiple lesions (>1)	.069
CSF cytology positive	.986
Diagnosis after 2004	.023	.059	.521 (.265–1.03)
Treatment demographic characteristic
Cytarabine	.035	.055	.735 (.536–1.01)
Rituximab	.023	.064	.512 (.252–1.04)
Radiotherapy	.236
Intrathecal methotrexate	.718