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Table 3 Correlation between nephrometries and peri-operative features

From: The role of RENAL, PADUA, C-index, CSA nephrometry systems in predicting ipsilateral renal function after partial nephrectomy

Variables RENAL PADUA C-index CSA
coefficient P-value coefficient P-value coefficient P-value coefficient P-value
RENAL    0.778 < 0.001 −0.372 0.02 0.44 0.005
PADUA 0.778 < 0.001    − 0.622 < 0.001 0.647 < 0.001
C-index − 0.372 0.02 − 0.622 < 0.001    −0.885 < 0.001
CSA (cm2) 0.44 0.005 0.647 < 0.001 −0.885 < 0.001   
EBL (ml) 0.179 0.269 0.082 0.616 −0.115 0.485 0.161 0.321
Operative time (minutes) 0.278 0.082 0.218 0.176 −0.336 0.037 0.373 0.018
Length of stay (days) 0.178 0.272 0.256 0.11 −0.187 0.254 0.107 0.511
Complication (Clavien-Dindo classification) −0.137 0.399 0.075 0.647 −0.147 0.373 0.163 0.314
Ischemia time (minutes) 0.354 0.025 0.421 0.007 −0.453 0.004 0.409 0.009
Absolute change of ERPF (ml/min/1.73m2) 0.195 0.235 0.369 0.021 −0.687 < 0.001 0.680 < 0.001
Percent change of ERPF (%) 0.263 0.106 0.476 0.002 −0.740 < 0.001 0.747 < 0.001
  1. CSA Mathematical Contact Surface Area, EBL estimated blood loss, ERPF effective renal plasma flow