Sarcomatoid carcinoma presenting as cancers of unknown primary: a clinicopathological portrait

BMC Cancer

Table 2 Univariate Analyses of One-year Survival Estimates by Patient and Clinical Characteristics

Variable	Overall Survival (months)	Univariate Analysis HR / 95% CI / P-value			Multivariate Analysis HR / 95% CI / P-value
ECOG Performance Status
0–1	22	4.50	1.9–10.9	< 0.001	8.68	3.0–25.0	< 0.001
≥ 2	4	4.50	1.9–10.9	< 0.001	8.68	3.0–25.0	< 0.001
Number of metastatic sites
1 site	22	2.41	1.3–4.6	0.009
> 1 sites	7	2.41	1.3–4.6	0.009
LDH
Normal	21	2.53	0.9–7.5	0.012
High	5	2.53	0.9–7.5	0.012
Neutrophil-to-lymphocyte ratio
Low	13	2.66	1.0–7.1	0.004	3.41	1.3–8.8	0.011
High	4	2.66	1.0–7.1	0.004	3.41	1.3–8.8	0.011

ISSN: 1471-2407