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Table 2 Univariate and multivariate Cox proportional hazard regression analyses of CSS

From: Impact of sarcomatoid differentiation and rhabdoid differentiation on prognosis for renal cell carcinoma with vena caval tumour thrombus treated surgically

 UnivariateMultivariate
HR (95% CI)pHR (95% CI)p
Gender, female1.07 (0.43–2.66)0.878  
Age (years)0.99 (0.95–1.03)0.620  
Tumour size (cm)1.06 (0.95–1.18)0.323  
Thrombus level
 IRef.   
 II1.09 (0.37–3.15)0.881  
 III1.83 (0.61–5.46)0.280  
 IV0.57 (0.07–4.73)0.601  
Blood transfusion (103 cc)1.36 (1.06–1.76)0.0171.34 (1.01–1.77)0.041
Lymph node involvement1.96 (0.58–6.67)0.279  
Metastasis2.88 (1.24–6.70)0.0143.87 (1.56–9.61)0.004
Histologic subtype
 Clear cell RCCRef.   
 Non-clear cell RCC1.87 (0.72–4.85)0.196  
Sarcomatoid differentiation3.54 (1.34–9.38)0.0113.90 (1.42–10.71)0.008
Rhabdoid differentiation3.82 (1.39–10.51)0.0093.01 (1.04–8.74)0.042
Fuhrman grade
 1–2Ref.   
 3–41.47 (0.57–3.76)0.423  
Tumour necrosis1.78 (0.75–4.24)0.191  
Adjuvant target therapy0.55 (0.23–1.36)0.199  
  1. CSS cancer specific survival, RCC renal cell carcinoma