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Table 3 Predictive factors for bounce (univariate and multivariate analysis)

From: Permanent 125I-seed prostate brachytherapy: early prostate specific antigen value as a predictor of PSA bounce occurrence

  

Univariate analysis

Multivariate analysis

Variables

 

OR

CI 95%

p

OR

CI 95%

p

Age

 

0.936

0.895-0.978

0.0032

0.929

0.888-0.972

0.0016

PSA at 6 weeks (wks)

 

1.129

0.999-1.276

0.0526

1.166

1.025-1.327

0.0197

Pre-BT PSA

 

1.044

0.941-1.157

0.4190

-

-

-

Risk group (D'Amico)

Int. risk vs low risk

1.180

0.625-2.229

0.6097

-

-

-

BT technique

FIRST vs Free seeds

0.666

0.364-1.217

0.1865

-

-

-

Increased PSA at 6 wks

Yes vs no

1.069

0.511-2.237

0.8584

-

-

-

Dosimetric data

D95 (D95)

1.009

0.994-1.024

0.2591

-

-

-

 

D90 (D90)

1.007

0.990-1.023

0.4227

-

-

-

 

V144 (V144)

1.075

0.954-1.211

0.2351

-

-

-

 

Prostate volume

0.992

0.960-1.024

0.6166

-

-

-

 

# seeds

0.997

0.975-1.019

0.7775

-

-

-

 

Seed density

1.187

0.490-2.877

0.7037

-

-

-