Groups information
General Information

Predictor

Hospital Volume

Predictor classification

hospital

Effect Size meaning

OR

Statistical Methods

Logistic regression

Model I

EffectSize I

1.53

95% CII

1.03-2.27

p-value I

<0.0001

Adjusted I

Unadjusted

Model II

EffectSize II

1.42

95% CIII

1.25-2.23

p-value II

<0.0001

Adjusted II

age, clinical T stage, ISUP grade group, preoperative PSA, D’Amico risk classification, and hospital levels

Model III