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

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

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
Number of metastatic sites
 1 site 22 2.41 1.3–4.6 0.009  
  > 1 sites 7
LDH
 Normal 21 2.53 0.9–7.5 0.012  
 High 5
Neutrophil-to-lymphocyte ratio
 Low 13 2.66 1.0–7.1 0.004 3.41 1.3–8.8 0.011
 High 4
  1. Note: CI, confidence interval; HR, hazard ratio; LDH, lactate dehydrogenase