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

Table 3 Correlation between nephrometries and peri-operative features

Variables	RENAL		PADUA		C-index		CSA
Variables	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

CSA Mathematical Contact Surface Area, EBL estimated blood loss, ERPF effective renal plasma flow

ISSN: 1471-2490