Parameter   HR 95% CI P-value
PFS        
  Presence of primary site 0.707 0.101-4.936 0.727
  Lymph node metastasis 3.125 0.859-11.374 0.084
  CTC ≥ 2 7.275 1.515-34.931 0.013
OS        
  PS ≥ 1 2.256 0.467-10.888 0.311
  Lung metastasis 0.57 0.163-1.989 0.378
  Peritoneal metastasis 1.378 0.315-6.019 0.67
  CTC ≥ 2 2.017 0.59-6.898 0.263
Table 3: Multivariate analysis for PFS and OS.