Table 2.

Multivariable linear regression model for biopsy total duration on target biopsy, per-centre and per-operator (Op)

Biopsy time multivariable regression	Centre 1	Centre 2	Operator 1	Operator 2	Operator 3	Operator 4
Centre experience
Coef	− 0.002	− 0.006
p	0.36	0.001
Operator experience
Coef			− 0.15	− 0.044	− 0.01	− 0.049
p			0.001	0.016	0.109	0.001
Age
Coef	− 0.023	0.035	− 0.307	0.1	0.026	0.033
p	0.576	0.011	0.006	0.169	0.274	0.473
Number of MRI targets
Coef	3.103	2.074	6.806	1.083	2.422	2.452
p	0.001	0.001	0.001	0.369	0.001	0.001
Pain NRS (0–10)
Coef	0.299	− 0.051	0.328	0.339	− 0.208	− 0.076
p	0.011	0.339	0.272	0.086	0.053	0.652
PI-RADS 4 lesiona
Coef	0.797	0.404	− 2.29	1.66	− 0.197	0.244
p	0.32	0.065	0.253	0.209	0.649	0.716
PI-RADS 5 lesiona
Coef	− 0.079	0.668	− 5.24	1.471	0.9	− 0.375
p	0.937	0.042	0.028	0.367	0.143	0.697
Prostate volume [cc]
Coef	0.004	− 0.012	− 0.03	− 0.005	− 0.006	− 0.014
p	0.723	0.001	0.289	0.741	0.204	0.411

The 95% confidence intervals for this table are shown in Supplementary Table 6A

Significant p values (below 0.05) are in bold

MRI magnetic resonance imaging, NRS numerical rating scale, PI-RADS Prostate Index Reporting and Data System score, Coef. adjusted beta coefficient, 95% CI 95% confidence interval

^aReference is PI-RADS 3 lesion