Table 2.

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

	Focal vs negative SMs		Non focal vs negative SMs
Variable	OR (95%CI)	P	OR (95%CI)	P
Clinical model
BMI	0.919 (0.863–0.980)	0.009	0.981 (0.889–1.071)	0.369
PSA	1.012 (0.980–1.045)	0.464	1.018 (0.984–1.053)	0.304
BPC	1.013 (1.004–1.023)	0.005	1.018 (1.005–1.031)	0.005
Biopsy grade group 1	Ref.		Ref
Biopsy grade group 2–3	1.216 (0.805–1.835)	0.353	0.753 (0.406–1.398)	0.369
Biopsy grade group 4–5	0.994 (0.488–2.024)	0.994	1.617 (0.726–3.603)	0.240
Pathological model
Pathological grade group
1	Ref.		Ref.
2–3	1.527 (0.841–2.773)	0.164	1.864 (0.634–5.475)	0.258
4–5	1.952 (0.921–4.139)	0.081	3.128 (0.935–10.454)	0.064
Pathological T stage
pT2	Ref.		Ref.
pT3a	1.972 (1.081–3.599)	0.027	4.089 (1.924–8.690)	<0.001
pT3b	1.773 (0.932–3.375)	0.081	4.074 (1.845–8.998)	0.001
Pathological N stage
pN0–x	Ref.		Ref.
pN1	1.574 (0.745–3.325)	0.235	1.156 (0.448–2.981)	0.764
Perioperative model
ePLND
No	Ref.		Ref.
Yes	1.675 (1.140–2.461)	0.009	1.138 (0.664–1.952)	0.638
Surgeon volume
Low	Ref.		Ref.
High	0.609 (0.412–0.900)	0.013	0.709 (0.407–1.134)	0.224