Table 3

Cox analyses for DSS for metastatic clear cell carcinoma

A. Cox univariate analysis
Hazard ratio95% CISignificance
Variable
 CAIX, low expression3.172.07–4.86<0.001
 ECOG PS1.621.18–2.240.003
 Grade1.521.15–2.010.004
 Tumor stage1.441.12–1.870.005
 Nodal status1.321.02–1.710.033
B. Cox multivariate analysis
Hazard ratio95% CISignificance
Variable
 CAIX, low expression3.101.99–4.83<0.001
 ECOG PS1.671.20–2.360.003
 Tumor stage1.371.04–1.790.023
 Grade1.371.03–1.830.032
 Nodal status1.150.88–1.52NS