Comparison of the trifecta outcomes of robotic and open nephron-sparing surgeries performed in the robotic era of a single institution

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Table 3 Univariable and multivariable Cox analyses were performed to identify variables predictive of trifecta positive outcomes in the whole study population (including patients who have undergone open and robotic NSS)

Covariate	Univariate analysis			Multivariate analysis
Covariate	Coefficient (bi)	HR [exp(bi)]	p value	Coefficient (bi)	HR [exp(bi)]	p value
Surgical approach (open/robotic)	0.0076	1.0076	0.9654	0.1113	1.1177	0.6466
Mean patient age	0.0006	1.0006	0.9289	−0.0027	0.9973	0.7715
Gender	−0.0747	0.9280	0.6949	−0.0164	0.9837	0.9377
Mean A.S.A. score	0.0419	1.0427	0.7440	−0.0814	0.9218	0.6446
Mean R.E.N.A.L. score	−0.0068	0.9932	0.8753	−0.0515	0.9498	0.6174
Mean P.A.D.U.A. score	−0.0018	0.9982	0.9721	−0.0055	0.9946	0.9608
Mean C-index value	−0.0448	0.9562	0.7592	−0.1021	0.9030	0.6169
Mean operative duration	0.0013	1.0013	0.5238	−0.0017	0.9983	0.5065
Mean estimated blood loss amount	0.0009	1.0009	0.0846	0.0010	1.0010	0.1418
Mean WIT	0.0096	1.0097	0.2819	0.0145	1.0146	0.1510
Mean pathological tumor diameter	−0.0019	0.9981	0.9593	0.0094	1.0095	0.8368
Mean length of hospitalization	0.1827	1.2005	0.0012	0.2259	1.2534	0.0013
Mean perioperative reduction in eGFR	0.0003	1.0003	0.9662	0.0039	1.0039	0.5733

Except length of hospital stay; none of the tested parameters were shown to be predictive of trifecta positivity
Italic values indicate statistical significance