Table 3.

Combined multivariate models of factors associated with the risk of PSM in the 732 patients who underwent RARP.

	Focal PSM vs negative SMs		Non-focal PSM vs negative SMs
Variable	OR (95%CI)	P	OR (95%CI)	P
Clinical/perioperative model
BMI	0.915 (0.859–0.975)	0.006
BPC	1.012 (1.002–1.022)	0.014	1.021 (1.009–1.033)	<0.001
ePLND
No	Ref.
Yes	1.338 (0.878–2.039)	0.176
Surgeon volume
Low	Ref.
High	0.577 (0.388–0.859)	0.007
Final overall model*
BMI	0.914 (0.857–0.974)	0.006
BPC	1.011 (1.002–1.021)	0.015	1.013 (1.000–1.023)	0.044
Pathological T stage
pT2	Ref.		Ref.
pT3a	2.064 (1.145–3.722)	0.016	4.832 (2.348–9.943)	<0.001
pT3b	2.15 (1.196–3.864)	0.010	5.153 (2.541–10.450)	0.001
Surgeon volume
Low	Ref
High	0.574 (0.385–0.855)	0.006

*adjusted ORs.