Table 3. Overall survival, cohort A, univariate analyses (N=120).

Risk factors	Categories	Median survival (months)	Hazard ratio	95 % CI	P
Performance status	2+/0.1	7.2/18.3	1.95	1.25–3.04	0.003
Metastasis-free interval	<1/>1 year	12.5/24.4	1.75	1.11–2.77	0.016
Number of sites	3+/1.2	11.4/23.3	1.71	1.15–2.54	0.008
Primary tumor	+/−	12.7/18.2	1.52	1.03–2.25	0.034
Bone metastases	+/−	10.2/18.2	1.96	1.27–3.02	0.002
Serum sodium	Low/normal	5.5/18.6	2.43	1.51–3.92	0.000
Neutrophils	>7/<7	9.4/20.2	1.66	1.05–2.61	0.030
Albumin	Low/normal	8.9/21.8	1.88	1.27–2.78	0.002
LDH	>1.5/<1.5ULN	10.0/20.2	1.77	1.12–2.80	0.014