Table 4

Factors independently influencing survival

Variables	Statistic	Relative Risk	95% confidence interval	p-value
Stage of disease	41.5387	1.3090	1.2061–1.4207	0.0000
ECOG Performance Status	15.5800	1.4012	1.1851–1.6567	0.0001
Lactate dehydrogenase	11.0270	1.0005	1.0002–1.0008	0.0009
Neutrophils	14.2559	1.0001	1.0000–1.0001	0.0002
Tissue polypeptide antigen	9.6921	1.0007	1.0003–1.0011	0.0019
Creatinine	4.3094	1.5312	1.0241–2.2894	1.8271

Results of a Cox's multifactorial analysis including all the 32 variables described in tables 1–2⇑⇑* (*293 cases included) global Chi-square=142.066; p=0.0000.