RARPKB

Groups information

Group name

Laparoscopic v Open

General Information

Predictor

Hospital Volume

Predictor classification

hospital

Effect Size meaning

HR

Statistical Methods

Cox regression

Model I

EffectSize I

1

p-value I

0.0042

Adjusted I

Unadjusted

Model II

EffectSize II

1

p-value II

0.0011

Adjusted II

Propensity scores for adjustment（age, clinical T stage, ISUP grade group, preoperative PSA, D’Amico risk classification, hospital levels, and surgical margin status）

Model III