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Table 3 Correlation between nephrometries and peri-operative features

From: External validation of the Simplified PADUA REnal (SPARE) nephrometry system in predicting surgical outcomes after partial nephrectomy

Variables SPARE R.E.N.A.L. PADUA
  Coefficient P-value Coefficient P-value Coefficient P-value
SPARE    0.61 < 0.001 0.79 < 0.001
R.E.N.A.L. 0.61 < 0.001    0.61 < 0.001
PADUA 0.79 < 0.001 0.84 < 0.001   
Ischemia time (minutes) 0.37 < 0.001 0.38 < 0.001 0.4 < 0.001
Operative time (minutes) 0.28 < 0.001 0.23 < 0.001 0.25 < 0.001
EBL (mL) 0.11 0.11 0.15 0.03 0.13 0.07
Complications (Clavien-Dindo classification) 0.34 < 0.001 0.22 0.002 0.28 < 0.001
Length of stay (days) 0.18 0.009 0.13 0.06 0.16 0.03
PCE-1st year (%) 0.34 < 0.001 0.28 < 0.001 0.32 < 0.001
CKD upstaging (%) 0.17 0.01 0.23 0.01 0.24 < 0.001
Positive margin (%) 0.07 0.41 0.04 0.68 −0.03 0.7
Achievement of pentafecta (%) −0.35 < 0.001 −0.29 0.001 −0.33 < 0.001
  1. EBL estimated blood loss, PCE percent change of estimated glomerular filtration rate, CKD chronic kidney disease