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Table 4 Multivariate Cox regression analysis of blood parameter with clinicopathologic characteristics and SSIGN prognostic model

From: Preoperative anaemia and thrombocytosis predict adverse prognosis in non‐metastatic renal cell carcinoma with tumour thrombus

Variable Overall survival Progression-free survival
HR 95 %CL P HR 95 %CL P
Model 1
Age1,2 / / NS / / NS
Symptom at presentation1,2 / / NS / / NS
Histologic subtype1,2
CCRCC Ref    Ref   
Non-CCRCC / / NS 2.835 1.403–5.728 0.004
Nuclear grade1,2
I–II Ref    Ref   
III–IV / / NS 2.069 1.059–4.039 0.033
Lymph node metastasis1,2 4.811 1.365–16.961 0.015 5.739 2.136–15.420 0.001
Necrosis2 / / / / / NS
Blood parameters
PLR2 / / / / / NS
Thrombocytosis1,2 / / NS 2.324 1.215–4.446 0.011
Anaemia1,2 2.873 1.310–6.299 0.008 / / NS
Model 2
SSIGN score
Low-risk (score 2–4) Ref    Ref   
Intermediate-risk (score 5–7) 1.447 0.499–4.193 0.496 1.833 0.871–3.858 0.111
High-risk (score 8–11) 5.847 1.838–18.603 0.003 3.025 1.230–7.436 0.016
Blood parameters
PLR2 / / / / / NS
Thrombocytosis1,2 / / NS 2.375 1.245–4.469 0.008
Anaemia1,2 3.453 1.495–7.978 0.004 / / NS
  1. NS not statistically significant
  2. 1The variable that was selected into the multivariate model correlated with overall survival
  3. 2The variable that was selected into the multivariate model correlated with progression-free survival
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