Table 2 Cox regression analysis of significant predictors for long-term urinary continence.

From: Preoperative magnetic resonance imaging pelvic and prostatic parameters predict long-term urinary continence after Retzius-sparing robot-assisted radical prostatectomy

Variable

Univariate cox regression

Multivariate cox regression

OR (95%CI)

P

OR (95%CI)

P

BMI

1.002 (0.956–1.050)

0.940

  

Age

0.963 (0.945–0.981)

<0.001

0.978 (0.958–0.998)

0.005

PSA

0.998 (0.985–1.011)

0.729

  

PV

0.998 (0.989–1.007)

0.613

  

PW

1.050 (0.814–1.354)

0.710

  

PH

0.975 (0.797–1.192)

0.803

  

ITD

1.098 (0.993–1.215)

0.068

  

BFW

1.086 (0.879–1.342)

0.444

  

SW

0.800 (0.652–0.983)

0.034

  

AD

0.660 (0.520–0.837)

<0.001

  

API

1.087 (0.943–1.254)

0.250

  

APM

0.980 (0.830–1.155)

0.806

  

APO

0.934 (0.811–1.077)

0.349

  

PD

1.046 (0.918–1.191)

0.499

  

PDI

1.467 (1.172–1.836)

<0.001

  

BWI

1.548 (1.223–1.960)

<0.001

  

SWI

1.504 (0.965–2.346)

0.072

  

TWI

1.696 (1.329–2.164)

<0.001

1.627 (1.268–2.088)

<0.001

BFW/PW

1.073 (0.584–1.969)

0.821

  

SW/PW

0.267 (0.089-0.800)

0.018

  

PD/PH

1.121 (0.811–1.549)

0.490

  

ASP

1.005 (0.989–1.021)

0.550

  

Presence of median lobe

0.989 (0.681–1.436)

0.954

  

Biopsy ISUP grade group

 2 vs. 1

0.977 (0.697–1.371)

0.894

  

 3 vs. 1

0.828 (0.587–1.169)

0.283

  

 4 or 5 vs. 1

0.848 (0.585–1.230)

0.385

  

Clinical Tstage

 T2a vs. T1

0.957 (0.647–1.415)

0.824

0.915 (0.617–1.355)

0.657

 T2b、T2c vs. T1

0.754 (0.483–1.178)

0.215

0.781 (0.499–1.222)

0.279

 T3 vs. T1

0.472 (0.295–0.756)

0.002

0.473 (0.294–0.761)

0.002

Risk group

 Intermediate risk vs. low risk

0.921 (0.640–1.325)

0.657

  

 High risk vs. low risk

0.855 (0.581–1.259)

0.428

  

 Locally advanced vs. low risk

0.482 (0.308–0.754)

0.001

  

 Nerve-sparing

1.579 (1.219–2.047)

<0.001

  
  1. Significant P values are presented in bold text. OR = odds ratio; CI = confidence interval; BMI = body mass index; PSA = prostate-specific antigen; PV = prostate volume; PW = prostate width; PH = prostate height; BFW = bony femoral width; SW = soft tissue width; AD = apical depth; API = anteroposterior distance of the pelvic inlet; APM = anteroposterior distance of the pelvic midplane; APO = anteroposterior distance of the pelvic outlet; PD = pelvic depth; PDI = pelvic dimension index; BWI = bony width index; SWI = soft tissue width index; TWI = tuberous width index; ASP = angle of the symphysis pubis; ISUP = International Society for Urological Pathology.
Back to article page